diff --git a/src/asynch/account/mod.rs b/src/asynch/account/mod.rs
index 9b2bbb2..43f3731 100644
--- a/src/asynch/account/mod.rs
+++ b/src/asynch/account/mod.rs
@@ -68,7 +68,7 @@ where
         None,
         classic_address,
         None,
-        Some(ledger_index),
+        Some(ledger_index.into()),
         None,
         None,
         None,
diff --git a/src/models/flag_collection.rs b/src/models/flag_collection.rs
index c4f00bd..44bb4bc 100644
--- a/src/models/flag_collection.rs
+++ b/src/models/flag_collection.rs
@@ -96,6 +96,15 @@ where
     }
 }
 
+impl<T> FlagCollection<T>
+where
+    T: IntoEnumIterator + Serialize,
+{
+    pub fn len(&self) -> usize {
+        self.0.len()
+    }
+}
+
 fn flag_to_u32<T>(flag: &T) -> XRPLModelResult<u32>
 where
     T: Serialize,
diff --git a/src/models/requests/account_channels.rs b/src/models/requests/account_channels.rs
index 7c8903b..80f5231 100644
--- a/src/models/requests/account_channels.rs
+++ b/src/models/requests/account_channels.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request};
 
 /// This request returns information about an account's Payment
 /// Channels. This includes only channels where the specified
@@ -42,11 +42,9 @@ pub struct AccountChannels<'a> {
     /// account's Address. The request returns channels where
     /// this account is the channel's owner/source.
     pub account: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// Limit the number of transactions to retrieve. Cannot
     /// be less than 10 or more than 400. The default is 200.
     pub limit: Option<u16>,
@@ -56,7 +54,7 @@ pub struct AccountChannels<'a> {
     pub destination_account: Option<Cow<'a, str>>,
     /// Value from a previous paginated response.
     /// Resume retrieving data where that response left off.
-    pub marker: Option<u32>,
+    pub marker: Option<Marker<'a>>,
 }
 
 impl<'a> Model for AccountChannels<'a> {}
@@ -67,9 +65,9 @@ impl<'a> AccountChannels<'a> {
         account: Cow<'a, str>,
         destination_account: Option<Cow<'a, str>>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         limit: Option<u16>,
-        marker: Option<u32>,
+        marker: Option<Marker<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
@@ -77,8 +75,10 @@ impl<'a> AccountChannels<'a> {
                 id,
             },
             account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             limit,
             destination_account,
             marker,
diff --git a/src/models/requests/account_currencies.rs b/src/models/requests/account_currencies.rs
index 4ff2e37..a9b9111 100644
--- a/src/models/requests/account_currencies.rs
+++ b/src/models/requests/account_currencies.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{default_false, requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// This request retrieves a list of currencies that an account
 /// can send or receive, based on its trust lines. This is not
@@ -22,11 +22,9 @@ pub struct AccountCurrencies<'a> {
     /// A unique identifier for the account, most commonly
     /// the account's Address.
     pub account: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// If true, then the account field only accepts a public
     /// key or XRP Ledger address. Otherwise, account can be
     /// a secret or passphrase (not recommended).
@@ -52,7 +50,7 @@ impl<'a> AccountCurrencies<'a> {
         id: Option<Cow<'a, str>>,
         account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         strict: Option<bool>,
     ) -> Self {
         Self {
@@ -61,8 +59,10 @@ impl<'a> AccountCurrencies<'a> {
                 id,
             },
             account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             strict,
         }
     }
diff --git a/src/models/requests/account_info.rs b/src/models/requests/account_info.rs
index 84d8f42..52f6ce9 100644
--- a/src/models/requests/account_info.rs
+++ b/src/models/requests/account_info.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// This request retrieves information about an account, its
 /// activity, and its XRP balance. All information retrieved
@@ -21,11 +21,9 @@ pub struct AccountInfo<'a> {
     /// A unique identifier for the account, most commonly the
     /// account's Address.
     pub account: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// If true, then the account field only accepts a public
     /// key or XRP Ledger address. Otherwise, account can be
     /// a secret or passphrase (not recommended).
@@ -59,7 +57,7 @@ impl<'a> AccountInfo<'a> {
         id: Option<Cow<'a, str>>,
         account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         strict: Option<bool>,
         queue: Option<bool>,
         signer_lists: Option<bool>,
@@ -70,8 +68,10 @@ impl<'a> AccountInfo<'a> {
                 id,
             },
             account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             strict,
             queue,
             signer_lists,
diff --git a/src/models/requests/account_lines.rs b/src/models/requests/account_lines.rs
index 3571cf2..ba2bd17 100644
--- a/src/models/requests/account_lines.rs
+++ b/src/models/requests/account_lines.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// This request returns information about an account's trust
 /// lines, including balances in all non-XRP currencies and
@@ -22,11 +22,9 @@ pub struct AccountLines<'a> {
     /// A unique identifier for the account, most commonly the
     /// account's Address.
     pub account: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// Limit the number of trust lines to retrieve. The server
     /// is not required to honor this value. Must be within the
     /// inclusive range 10 to 400.
@@ -53,7 +51,7 @@ impl<'a> AccountLines<'a> {
         id: Option<Cow<'a, str>>,
         account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         limit: Option<u16>,
         peer: Option<Cow<'a, str>>,
     ) -> Self {
@@ -63,8 +61,10 @@ impl<'a> AccountLines<'a> {
                 id,
             },
             account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             limit,
             peer,
         }
diff --git a/src/models/requests/account_nfts.rs b/src/models/requests/account_nfts.rs
index a9e7904..9111420 100644
--- a/src/models/requests/account_nfts.rs
+++ b/src/models/requests/account_nfts.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, Marker, Request};
 
 /// This method retrieves all of the NFTs currently owned
 /// by the specified account.
@@ -24,7 +24,7 @@ pub struct AccountNfts<'a> {
     pub limit: Option<u32>,
     /// Value from a previous paginated response. Resume
     /// retrieving data where that response left off.
-    pub marker: Option<u32>,
+    pub marker: Option<Marker<'a>>,
 }
 
 impl<'a> Model for AccountNfts<'a> {}
@@ -44,7 +44,7 @@ impl<'a> AccountNfts<'a> {
         id: Option<Cow<'a, str>>,
         account: Cow<'a, str>,
         limit: Option<u32>,
-        marker: Option<u32>,
+        marker: Option<Marker<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
diff --git a/src/models/requests/account_objects.rs b/src/models/requests/account_objects.rs
index d78c438..47036d4 100644
--- a/src/models/requests/account_objects.rs
+++ b/src/models/requests/account_objects.rs
@@ -5,7 +5,7 @@ use strum_macros::Display;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request};
 
 /// Represents the object types that an AccountObjects
 /// Request can ask for.
@@ -39,11 +39,9 @@ pub struct AccountObjects<'a> {
     /// A unique identifier for the account, most commonly the
     /// account's address.
     pub account: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// If included, filter results to include only this type
     /// of ledger object. The valid types are: check, deposit_preauth,
     /// escrow, offer, payment_channel, signer_list, ticket,
@@ -58,7 +56,7 @@ pub struct AccountObjects<'a> {
     pub limit: Option<u16>,
     /// Value from a previous paginated response. Resume retrieving
     /// data where that response left off.
-    pub marker: Option<u32>,
+    pub marker: Option<Marker<'a>>,
 }
 
 impl<'a> Model for AccountObjects<'a> {}
@@ -78,11 +76,11 @@ impl<'a> AccountObjects<'a> {
         id: Option<Cow<'a, str>>,
         account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         r#type: Option<AccountObjectType>,
         deletion_blockers_only: Option<bool>,
         limit: Option<u16>,
-        marker: Option<u32>,
+        marker: Option<Marker<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
@@ -90,8 +88,10 @@ impl<'a> AccountObjects<'a> {
                 id,
             },
             account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             r#type,
             deletion_blockers_only,
             limit,
diff --git a/src/models/requests/account_offers.rs b/src/models/requests/account_offers.rs
index 647d3f3..c5880dd 100644
--- a/src/models/requests/account_offers.rs
+++ b/src/models/requests/account_offers.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request};
 
 /// This request retrieves a list of offers made by a given account
 /// that are outstanding as of a particular ledger version.
@@ -20,11 +20,9 @@ pub struct AccountOffers<'a> {
     /// A unique identifier for the account, most commonly the
     /// account's Address.
     pub account: Cow<'a, str>,
-    /// A 20-byte hex string identifying the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or "current",
-    /// "closed", or "validated" to select a ledger dynamically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// Limit the number of transactions to retrieve. The server is
     /// not required to honor this value. Must be within the inclusive
     /// range 10 to 400.
@@ -35,7 +33,7 @@ pub struct AccountOffers<'a> {
     pub strict: Option<bool>,
     /// Value from a previous paginated response. Resume retrieving
     /// data where that response left off.
-    pub marker: Option<u32>,
+    pub marker: Option<Marker<'a>>,
 }
 
 impl<'a> Model for AccountOffers<'a> {}
@@ -55,10 +53,10 @@ impl<'a> AccountOffers<'a> {
         id: Option<Cow<'a, str>>,
         account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         limit: Option<u16>,
         strict: Option<bool>,
-        marker: Option<u32>,
+        marker: Option<Marker<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
@@ -66,8 +64,10 @@ impl<'a> AccountOffers<'a> {
                 id,
             },
             account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             limit,
             strict,
             marker,
diff --git a/src/models/requests/account_tx.rs b/src/models/requests/account_tx.rs
index 1f16e80..3082a91 100644
--- a/src/models/requests/account_tx.rs
+++ b/src/models/requests/account_tx.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request};
 
 /// This request retrieves from the ledger a list of
 /// transactions that involved the specified account.
@@ -20,10 +20,9 @@ pub struct AccountTx<'a> {
     /// A unique identifier for the account, most commonly the
     /// account's address.
     pub account: Cow<'a, str>,
-    /// Use to look for transactions from a single ledger only.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// Use to look for transactions from a single ledger only.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// Defaults to false. If set to true, returns transactions
     /// as hex strings instead of JSON.
     pub binary: Option<bool>,
@@ -48,7 +47,7 @@ pub struct AccountTx<'a> {
     /// data where that response left off. This value is stable even
     /// if there is a change in the server's range of available
     /// ledgers.
-    pub marker: Option<u32>,
+    pub marker: Option<Marker<'a>>,
 }
 
 impl<'a> Model for AccountTx<'a> {}
@@ -68,13 +67,13 @@ impl<'a> AccountTx<'a> {
         id: Option<Cow<'a, str>>,
         account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         binary: Option<bool>,
         forward: Option<bool>,
         ledger_index_min: Option<u32>,
         ledger_index_max: Option<u32>,
         limit: Option<u16>,
-        marker: Option<u32>,
+        marker: Option<Marker<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
@@ -82,8 +81,10 @@ impl<'a> AccountTx<'a> {
                 id,
             },
             account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             binary,
             forward,
             ledger_index_min,
diff --git a/src/models/requests/book_offers.rs b/src/models/requests/book_offers.rs
index ca27a3d..125adb6 100644
--- a/src/models/requests/book_offers.rs
+++ b/src/models/requests/book_offers.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{currency::Currency, requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// The book_offers method retrieves a list of offers, also known
 /// as the order book, between two currencies.
@@ -27,11 +27,9 @@ pub struct BookOffers<'a> {
     /// issuer fields (omit issuer for XRP),
     /// like currency amounts.
     pub taker_pays: Currency<'a>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// If provided, the server does not provide more than
     /// this many offers in the results. The total number of
     /// results returned may be fewer than the limit,
@@ -62,7 +60,7 @@ impl<'a> BookOffers<'a> {
         taker_gets: Currency<'a>,
         taker_pays: Currency<'a>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         limit: Option<u16>,
         taker: Option<Cow<'a, str>>,
     ) -> Self {
@@ -73,8 +71,10 @@ impl<'a> BookOffers<'a> {
             },
             taker_gets,
             taker_pays,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             limit,
             taker,
         }
diff --git a/src/models/requests/deposit_authorize.rs b/src/models/requests/deposit_authorize.rs
index 2c58e47..1c83842 100644
--- a/src/models/requests/deposit_authorize.rs
+++ b/src/models/requests/deposit_authorize.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// The deposit_authorized command indicates whether one account
 /// is authorized to send payments directly to another.
@@ -21,11 +21,9 @@ pub struct DepositAuthorized<'a> {
     pub destination_account: Cow<'a, str>,
     /// The sender of a possible payment.
     pub source_account: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
 }
 
 impl<'a> Model for DepositAuthorized<'a> {}
@@ -46,7 +44,7 @@ impl<'a> DepositAuthorized<'a> {
         destination_account: Cow<'a, str>,
         source_account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
@@ -55,8 +53,10 @@ impl<'a> DepositAuthorized<'a> {
             },
             source_account,
             destination_account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
         }
     }
 }
diff --git a/src/models/requests/gateway_balances.rs b/src/models/requests/gateway_balances.rs
index e5f3838..cb91184 100644
--- a/src/models/requests/gateway_balances.rs
+++ b/src/models/requests/gateway_balances.rs
@@ -5,7 +5,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// This request calculates the total balances issued by a
 /// given account, optionally excluding amounts held by
@@ -24,11 +24,9 @@ pub struct GatewayBalances<'a> {
     /// An operational address to exclude from the balances
     /// issued, or an array of such addresses.
     pub hotwallet: Option<Vec<Cow<'a, str>>>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger version to use, or a
-    /// shortcut string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// If true, only accept an address or public key for the
     /// account parameter. Defaults to false.
     pub strict: Option<bool>,
@@ -52,7 +50,7 @@ impl<'a> GatewayBalances<'a> {
         account: Cow<'a, str>,
         hotwallet: Option<Vec<Cow<'a, str>>>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         strict: Option<bool>,
     ) -> Self {
         Self {
@@ -62,8 +60,10 @@ impl<'a> GatewayBalances<'a> {
             },
             account,
             strict,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             hotwallet,
         }
     }
diff --git a/src/models/requests/ledger_data.rs b/src/models/requests/ledger_data.rs
index c30bb75..6975eed 100644
--- a/src/models/requests/ledger_data.rs
+++ b/src/models/requests/ledger_data.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request};
 
 /// The ledger_data method retrieves contents of the specified
 /// ledger. You can iterate through several calls to retrieve
@@ -21,17 +21,15 @@ pub struct LedgerData<'a> {
     /// If set to true, return ledger objects as hashed hex
     /// strings instead of JSON.
     pub binary: Option<bool>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// Limit the number of ledger objects to retrieve.
     /// The server is not required to honor this value.
     pub limit: Option<u16>,
     /// Value from a previous paginated response.
     /// Resume retrieving data where that response left off.
-    pub marker: Option<u32>,
+    pub marker: Option<Marker<'a>>,
 }
 
 impl<'a> Model for LedgerData<'a> {}
@@ -51,17 +49,19 @@ impl<'a> LedgerData<'a> {
         id: Option<Cow<'a, str>>,
         binary: Option<bool>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         limit: Option<u16>,
-        marker: Option<u32>,
+        marker: Option<Marker<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
                 command: RequestMethod::LedgerData,
                 id,
             },
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             binary,
             limit,
             marker,
diff --git a/src/models/requests/ledger_entry.rs b/src/models/requests/ledger_entry.rs
index a2a5ff3..14b6bc1 100644
--- a/src/models/requests/ledger_entry.rs
+++ b/src/models/requests/ledger_entry.rs
@@ -5,7 +5,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model, XRPLModelException, XRPLModelResult};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// Required fields for requesting a DepositPreauth if not
 /// querying by object ID.
@@ -82,12 +82,9 @@ pub struct LedgerEntry<'a> {
     pub directory: Option<Directory<'a>>,
     pub escrow: Option<Escrow<'a>>,
     pub index: Option<Cow<'a, str>>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut string
-    /// (e.g. "validated" or "closed" or "current") to choose a ledger
-    /// automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     pub offer: Option<Offer<'a>>,
     pub payment_channel: Option<Cow<'a, str>>,
     pub ripple_state: Option<RippleState<'a>>,
@@ -173,7 +170,7 @@ impl<'a> LedgerEntry<'a> {
         escrow: Option<Escrow<'a>>,
         index: Option<Cow<'a, str>>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         offer: Option<Offer<'a>>,
         payment_channel: Option<Cow<'a, str>>,
         ripple_state: Option<RippleState<'a>>,
@@ -195,8 +192,10 @@ impl<'a> LedgerEntry<'a> {
             ripple_state,
             ticket,
             binary,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
         }
     }
 }
diff --git a/src/models/requests/mod.rs b/src/models/requests/mod.rs
index 532d142..43c913e 100644
--- a/src/models/requests/mod.rs
+++ b/src/models/requests/mod.rs
@@ -20,7 +20,10 @@ pub mod ledger_data;
 pub mod ledger_entry;
 pub mod manifest;
 pub mod nft_buy_offers;
+pub mod nft_history;
+pub mod nft_info;
 pub mod nft_sell_offers;
+pub mod nfts_by_issuer;
 pub mod no_ripple_check;
 pub mod path_find;
 pub mod ping;
@@ -35,7 +38,7 @@ pub mod transaction_entry;
 pub mod tx;
 pub mod unsubscribe;
 
-use alloc::borrow::Cow;
+use alloc::{borrow::Cow, string::String};
 use derive_new::new;
 use serde::{Deserialize, Serialize};
 use serde_with::skip_serializing_none;
@@ -76,8 +79,16 @@ pub enum RequestMethod {
     // Path methods
     BookOffers,
     DepositAuthorized,
-    NftBuyOffers,
-    NftSellOffers,
+    #[serde(rename = "nft_buy_offers")]
+    NFTBuyOffers,
+    #[serde(rename = "nft_history")]
+    NFTHistory,
+    #[serde(rename = "nft_info")]
+    NFTInfo,
+    #[serde(rename = "nft_sell_offers")]
+    NFTSellOffers,
+    #[serde(rename = "nfts_by_issuer")]
+    NFTsByIssuer,
     PathFind,
     RipplePathFind,
 
@@ -125,8 +136,11 @@ pub enum XRPLRequest<'a> {
     ChannelVerify(channel_verify::ChannelVerify<'a>),
     BookOffers(book_offers::BookOffers<'a>),
     DepositAuthorized(deposit_authorize::DepositAuthorized<'a>),
-    NftBuyOffers(nft_buy_offers::NftBuyOffers<'a>),
-    NftSellOffers(nft_sell_offers::NftSellOffers<'a>),
+    NFTBuyOffers(nft_buy_offers::NftBuyOffers<'a>),
+    NFTHistory(nft_history::NFTHistory<'a>),
+    NFTInfo(nft_info::NFTInfo<'a>),
+    NFTSellOffers(nft_sell_offers::NftSellOffers<'a>),
+    NFTsByIssuer(nfts_by_issuer::NFTsByIssuer<'a>),
     PathFind(path_find::PathFind<'a>),
     RipplePathFind(ripple_path_find::RipplePathFind<'a>),
     Ledger(ledger::Ledger<'a>),
@@ -260,13 +274,13 @@ impl<'a> From<deposit_authorize::DepositAuthorized<'a>> for XRPLRequest<'a> {
 
 impl<'a> From<nft_buy_offers::NftBuyOffers<'a>> for XRPLRequest<'a> {
     fn from(request: nft_buy_offers::NftBuyOffers<'a>) -> Self {
-        XRPLRequest::NftBuyOffers(request)
+        XRPLRequest::NFTBuyOffers(request)
     }
 }
 
 impl<'a> From<nft_sell_offers::NftSellOffers<'a>> for XRPLRequest<'a> {
     fn from(request: nft_sell_offers::NftSellOffers<'a>) -> Self {
-        XRPLRequest::NftSellOffers(request)
+        XRPLRequest::NFTSellOffers(request)
     }
 }
 
@@ -382,8 +396,11 @@ impl<'a> Request<'a> for XRPLRequest<'a> {
             XRPLRequest::ChannelVerify(request) => request.get_common_fields(),
             XRPLRequest::BookOffers(request) => request.get_common_fields(),
             XRPLRequest::DepositAuthorized(request) => request.get_common_fields(),
-            XRPLRequest::NftBuyOffers(request) => request.get_common_fields(),
-            XRPLRequest::NftSellOffers(request) => request.get_common_fields(),
+            XRPLRequest::NFTBuyOffers(request) => request.get_common_fields(),
+            XRPLRequest::NFTHistory(request) => request.get_common_fields(),
+            XRPLRequest::NFTInfo(request) => request.get_common_fields(),
+            XRPLRequest::NFTSellOffers(request) => request.get_common_fields(),
+            XRPLRequest::NFTsByIssuer(request) => request.get_common_fields(),
             XRPLRequest::PathFind(request) => request.get_common_fields(),
             XRPLRequest::RipplePathFind(request) => request.get_common_fields(),
             XRPLRequest::Ledger(request) => request.get_common_fields(),
@@ -423,8 +440,11 @@ impl<'a> Request<'a> for XRPLRequest<'a> {
             XRPLRequest::ChannelVerify(request) => request.get_common_fields_mut(),
             XRPLRequest::BookOffers(request) => request.get_common_fields_mut(),
             XRPLRequest::DepositAuthorized(request) => request.get_common_fields_mut(),
-            XRPLRequest::NftBuyOffers(request) => request.get_common_fields_mut(),
-            XRPLRequest::NftSellOffers(request) => request.get_common_fields_mut(),
+            XRPLRequest::NFTBuyOffers(request) => request.get_common_fields_mut(),
+            XRPLRequest::NFTHistory(request) => request.get_common_fields_mut(),
+            XRPLRequest::NFTInfo(request) => request.get_common_fields_mut(),
+            XRPLRequest::NFTSellOffers(request) => request.get_common_fields_mut(),
+            XRPLRequest::NFTsByIssuer(request) => request.get_common_fields_mut(),
             XRPLRequest::PathFind(request) => request.get_common_fields_mut(),
             XRPLRequest::RipplePathFind(request) => request.get_common_fields_mut(),
             XRPLRequest::Ledger(request) => request.get_common_fields_mut(),
@@ -454,6 +474,78 @@ pub struct CommonFields<'a> {
     pub id: Option<Cow<'a, str>>,
 }
 
+#[skip_serializing_none]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone, new)]
+pub struct LookupByLedgerRequest<'a> {
+    /// A 20-byte hex string for the ledger version to use.
+    pub ledger_hash: Option<Cow<'a, str>>,
+    /// The ledger index of the ledger to use, or a shortcut
+    /// string to choose a ledger automatically.
+    pub ledger_index: Option<LedgerIndex<'a>>,
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
+#[serde(untagged)]
+pub enum Marker<'a> {
+    Int(u32),
+    Str(Cow<'a, str>),
+}
+
+impl From<u32> for Marker<'_> {
+    fn from(value: u32) -> Self {
+        Marker::Int(value)
+    }
+}
+
+impl<'a> From<&'a str> for Marker<'a> {
+    fn from(value: &'a str) -> Self {
+        Marker::Str(Cow::Borrowed(value))
+    }
+}
+
+impl<'a> From<Cow<'a, str>> for Marker<'a> {
+    fn from(value: Cow<'a, str>) -> Self {
+        Marker::Str(value)
+    }
+}
+
+impl From<String> for Marker<'_> {
+    fn from(value: String) -> Self {
+        Marker::Str(Cow::Owned(value))
+    }
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
+#[serde(untagged)]
+pub enum LedgerIndex<'a> {
+    Int(u32),
+    Str(Cow<'a, str>),
+}
+
+impl From<u32> for LedgerIndex<'_> {
+    fn from(value: u32) -> Self {
+        LedgerIndex::Int(value)
+    }
+}
+
+impl<'a> From<&'a str> for LedgerIndex<'a> {
+    fn from(value: &'a str) -> Self {
+        LedgerIndex::Str(Cow::Borrowed(value))
+    }
+}
+
+impl<'a> From<Cow<'a, str>> for LedgerIndex<'a> {
+    fn from(value: Cow<'a, str>) -> Self {
+        LedgerIndex::Str(value)
+    }
+}
+
+impl From<String> for LedgerIndex<'_> {
+    fn from(value: String) -> Self {
+        LedgerIndex::Str(Cow::Owned(value))
+    }
+}
+
 /// The base trait for all request models.
 /// Used to identify the model as a request.
 pub trait Request<'a> {
diff --git a/src/models/requests/nft_buy_offers.rs b/src/models/requests/nft_buy_offers.rs
index d8a4c4c..f932576 100644
--- a/src/models/requests/nft_buy_offers.rs
+++ b/src/models/requests/nft_buy_offers.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request};
 
 /// This method retrieves all of buy offers for the specified NFToken.
 #[skip_serializing_none]
@@ -15,18 +15,16 @@ pub struct NftBuyOffers<'a> {
     pub common_fields: CommonFields<'a>,
     /// The unique identifier of a NFToken object.
     pub nft_id: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// Limit the number of NFT buy offers to retrieve.
     /// This value cannot be lower than 50 or more than 500.
     /// The default is 250.
     pub limit: Option<u16>,
     /// Value from a previous paginated response.
     /// Resume retrieving data where that response left off.
-    pub marker: Option<u32>,
+    pub marker: Option<Marker<'a>>,
 }
 
 impl<'a> Model for NftBuyOffers<'a> {}
@@ -46,18 +44,20 @@ impl<'a> NftBuyOffers<'a> {
         id: Option<Cow<'a, str>>,
         nft_id: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         limit: Option<u16>,
-        marker: Option<u32>,
+        marker: Option<Marker<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
-                command: RequestMethod::NftBuyOffers,
+                command: RequestMethod::NFTBuyOffers,
                 id,
             },
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             nft_id,
-            ledger_hash,
-            ledger_index,
             limit,
             marker,
         }
diff --git a/src/models/requests/nft_history.rs b/src/models/requests/nft_history.rs
new file mode 100644
index 0000000..4d165b7
--- /dev/null
+++ b/src/models/requests/nft_history.rs
@@ -0,0 +1,74 @@
+use alloc::borrow::Cow;
+use serde::{Deserialize, Serialize};
+use serde_with::skip_serializing_none;
+
+use crate::models::Model;
+
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request, RequestMethod};
+
+/// The `nft_history` method retreives a list of transactions that involved the
+/// specified NFToken.
+#[skip_serializing_none]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
+pub struct NFTHistory<'a> {
+    /// The common fields shared by all requests.
+    #[serde(flatten)]
+    pub common_fields: CommonFields<'a>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
+    /// The unique identifier of an NFToken.
+    /// The request returns past transactions of this NFToken.
+    pub nft_id: Cow<'a, str>,
+    pub ledger_index_min: Option<u32>,
+    pub ledger_index_max: Option<u32>,
+    pub binary: Option<bool>,
+    pub forward: Option<bool>,
+    pub limit: Option<u32>,
+    pub marker: Option<Marker<'a>>,
+}
+
+impl Model for NFTHistory<'_> {}
+
+impl<'a> Request<'a> for NFTHistory<'a> {
+    fn get_common_fields(&self) -> &CommonFields<'a> {
+        &self.common_fields
+    }
+
+    fn get_common_fields_mut(&mut self) -> &mut CommonFields<'a> {
+        &mut self.common_fields
+    }
+}
+
+impl<'a> NFTHistory<'a> {
+    pub fn new(
+        id: Option<Cow<'a, str>>,
+        nft_id: Cow<'a, str>,
+        ledger_hash: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
+        ledger_index_min: Option<u32>,
+        ledger_index_max: Option<u32>,
+        binary: Option<bool>,
+        forward: Option<bool>,
+        limit: Option<u32>,
+        marker: Option<Marker<'a>>,
+    ) -> Self {
+        Self {
+            common_fields: CommonFields {
+                command: RequestMethod::NFTHistory,
+                id,
+            },
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
+            nft_id,
+            ledger_index_min,
+            ledger_index_max,
+            binary,
+            forward,
+            limit,
+            marker,
+        }
+    }
+}
diff --git a/src/models/requests/nft_info.rs b/src/models/requests/nft_info.rs
new file mode 100644
index 0000000..4609657
--- /dev/null
+++ b/src/models/requests/nft_info.rs
@@ -0,0 +1,56 @@
+use alloc::borrow::Cow;
+use serde::{Deserialize, Serialize};
+use serde_with::skip_serializing_none;
+
+use crate::models::Model;
+
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request, RequestMethod};
+
+/// The `nft_info` method retrieves all the information about the
+/// NFToken
+#[skip_serializing_none]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
+pub struct NFTInfo<'a> {
+    /// The common fields shared by all requests.
+    #[serde(flatten)]
+    pub common_fields: CommonFields<'a>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
+    /// The unique identifier of an NFToken.
+    /// The request returns past transactions of this NFToken.
+    pub nft_id: Cow<'a, str>,
+}
+
+impl Model for NFTInfo<'_> {}
+
+impl<'a> Request<'a> for NFTInfo<'a> {
+    fn get_common_fields(&self) -> &CommonFields<'a> {
+        &self.common_fields
+    }
+
+    fn get_common_fields_mut(&mut self) -> &mut CommonFields<'a> {
+        &mut self.common_fields
+    }
+}
+
+impl<'a> NFTInfo<'a> {
+    pub fn new(
+        id: Option<Cow<'a, str>>,
+        nft_id: Cow<'a, str>,
+        ledger_hash: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
+    ) -> Self {
+        Self {
+            common_fields: CommonFields {
+                command: RequestMethod::NFTInfo,
+                id,
+            },
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
+            nft_id,
+        }
+    }
+}
diff --git a/src/models/requests/nft_sell_offers.rs b/src/models/requests/nft_sell_offers.rs
index fa4dd6f..f8817a6 100644
--- a/src/models/requests/nft_sell_offers.rs
+++ b/src/models/requests/nft_sell_offers.rs
@@ -33,7 +33,7 @@ impl<'a> NftSellOffers<'a> {
     pub fn new(id: Option<Cow<'a, str>>, nft_id: Cow<'a, str>) -> Self {
         Self {
             common_fields: CommonFields {
-                command: RequestMethod::NftSellOffers,
+                command: RequestMethod::NFTSellOffers,
                 id,
             },
             nft_id,
diff --git a/src/models/requests/nfts_by_issuer.rs b/src/models/requests/nfts_by_issuer.rs
new file mode 100644
index 0000000..d7b20ed
--- /dev/null
+++ b/src/models/requests/nfts_by_issuer.rs
@@ -0,0 +1,65 @@
+use alloc::borrow::Cow;
+use serde::{Deserialize, Serialize};
+use serde_with::skip_serializing_none;
+
+use crate::models::Model;
+
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Marker, Request, RequestMethod};
+
+/// The `nfts_by_issuer` method retrieves all of the NFTokens
+/// issued by an account
+#[skip_serializing_none]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
+pub struct NFTsByIssuer<'a> {
+    /// The common fields shared by all requests.
+    #[serde(flatten)]
+    pub common_fields: CommonFields<'a>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
+    /// The unique identifier for an account that issues NFTokens
+    /// The request returns NFTokens issued by this account.
+    pub issuer: Cow<'a, str>,
+    pub limit: Option<u32>,
+    pub marker: Option<Marker<'a>>,
+    pub nft_taxon: Option<u64>,
+}
+
+impl Model for NFTsByIssuer<'_> {}
+
+impl<'a> Request<'a> for NFTsByIssuer<'a> {
+    fn get_common_fields(&self) -> &CommonFields<'a> {
+        &self.common_fields
+    }
+
+    fn get_common_fields_mut(&mut self) -> &mut CommonFields<'a> {
+        &mut self.common_fields
+    }
+}
+
+impl<'a> NFTsByIssuer<'a> {
+    pub fn new(
+        id: Option<Cow<'a, str>>,
+        issuer: Cow<'a, str>,
+        ledger_hash: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
+        limit: Option<u32>,
+        marker: Option<Marker<'a>>,
+        nft_taxon: Option<u64>,
+    ) -> Self {
+        Self {
+            common_fields: CommonFields {
+                command: RequestMethod::NFTsByIssuer,
+                id,
+            },
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
+            issuer,
+            limit,
+            marker,
+            nft_taxon,
+        }
+    }
+}
diff --git a/src/models/requests/no_ripple_check.rs b/src/models/requests/no_ripple_check.rs
index 21bffb7..854d89d 100644
--- a/src/models/requests/no_ripple_check.rs
+++ b/src/models/requests/no_ripple_check.rs
@@ -5,7 +5,7 @@ use strum_macros::Display;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// Enum representing the options for the address role in
 /// a NoRippleCheckRequest.
@@ -42,11 +42,9 @@ pub struct NoRippleCheck<'a> {
     /// No Ripple on all trust lines. Users should have Default Ripple
     /// disabled, and should enable No Ripple on all trust lines.
     pub role: NoRippleCheckRole,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut string
-    /// to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// The maximum number of trust line problems to include in the
     /// results. Defaults to 300.
     pub limit: Option<u16>,
@@ -74,7 +72,7 @@ impl<'a> NoRippleCheck<'a> {
         account: Cow<'a, str>,
         role: NoRippleCheckRole,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         limit: Option<u16>,
         transactions: Option<bool>,
     ) -> Self {
@@ -85,8 +83,10 @@ impl<'a> NoRippleCheck<'a> {
             },
             account,
             role,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             transactions,
             limit,
         }
diff --git a/src/models/requests/ripple_path_find.rs b/src/models/requests/ripple_path_find.rs
index 4f7f5cf..1ac23f7 100644
--- a/src/models/requests/ripple_path_find.rs
+++ b/src/models/requests/ripple_path_find.rs
@@ -5,7 +5,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{currency::Currency, requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// The ripple_path_find method is a simpl<'a>ified version of
 /// the path_find method that provides a single response with
@@ -42,11 +42,9 @@ pub struct RipplePathFind<'a> {
     /// Unique address of the account that would send funds
     /// in a transaction.
     pub source_account: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
     /// Currency Amount that would be spent in the transaction.
     /// Cannot be used with source_currencies.
     pub send_max: Option<Currency<'a>>,
@@ -79,7 +77,7 @@ impl<'a> RipplePathFind<'a> {
         destination_amount: Currency<'a>,
         source_account: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
         send_max: Option<Currency<'a>>,
         source_currencies: Option<Vec<Currency<'a>>>,
     ) -> Self {
@@ -91,8 +89,10 @@ impl<'a> RipplePathFind<'a> {
             destination_account,
             destination_amount,
             source_account,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
             send_max,
             source_currencies,
         }
diff --git a/src/models/requests/transaction_entry.rs b/src/models/requests/transaction_entry.rs
index 8f3c988..6d466d8 100644
--- a/src/models/requests/transaction_entry.rs
+++ b/src/models/requests/transaction_entry.rs
@@ -4,7 +4,7 @@ use serde_with::skip_serializing_none;
 
 use crate::models::{requests::RequestMethod, Model};
 
-use super::{CommonFields, Request};
+use super::{CommonFields, LedgerIndex, LookupByLedgerRequest, Request};
 
 /// The transaction_entry method retrieves information on a
 /// single transaction from a specific ledger version.
@@ -22,11 +22,9 @@ pub struct TransactionEntry<'a> {
     pub common_fields: CommonFields<'a>,
     /// Unique hash of the transaction you are looking up.
     pub tx_hash: Cow<'a, str>,
-    /// A 20-byte hex string for the ledger version to use.
-    pub ledger_hash: Option<Cow<'a, str>>,
-    /// The ledger index of the ledger to use, or a shortcut
-    /// string to choose a ledger automatically.
-    pub ledger_index: Option<Cow<'a, str>>,
+    /// The unique identifier of a ledger.
+    #[serde(flatten)]
+    pub ledger_lookup: Option<LookupByLedgerRequest<'a>>,
 }
 
 impl<'a> Model for TransactionEntry<'a> {}
@@ -46,7 +44,7 @@ impl<'a> TransactionEntry<'a> {
         id: Option<Cow<'a, str>>,
         tx_hash: Cow<'a, str>,
         ledger_hash: Option<Cow<'a, str>>,
-        ledger_index: Option<Cow<'a, str>>,
+        ledger_index: Option<LedgerIndex<'a>>,
     ) -> Self {
         Self {
             common_fields: CommonFields {
@@ -54,8 +52,10 @@ impl<'a> TransactionEntry<'a> {
                 id,
             },
             tx_hash,
-            ledger_hash,
-            ledger_index,
+            ledger_lookup: Some(LookupByLedgerRequest {
+                ledger_hash,
+                ledger_index,
+            }),
         }
     }
 }
diff --git a/src/models/transactions/metadata.rs b/src/models/transactions/metadata.rs
new file mode 100644
index 0000000..16d322f
--- /dev/null
+++ b/src/models/transactions/metadata.rs
@@ -0,0 +1,169 @@
+use alloc::collections::BTreeMap;
+use alloc::{borrow::Cow, vec::Vec};
+use serde::{Deserialize, Serialize};
+use serde_with::skip_serializing_none;
+
+use crate::models::ledger::objects::LedgerEntryType;
+use crate::models::requests::LedgerIndex;
+use crate::models::Amount;
+
+#[skip_serializing_none]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct NFTokenMetadata<'a> {
+    #[serde(rename = "NFToken")]
+    pub nftoken: NFTokenMetadataFields<'a>,
+}
+
+#[skip_serializing_none]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct NFTokenMetadataFields<'a> {
+    #[serde(rename = "NFTokenID")]
+    pub nftoken_id: Cow<'a, str>,
+    #[serde(rename = "URI")]
+    pub uri: Cow<'a, str>,
+}
+#[skip_serializing_none]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct Fields<'a> {
+    pub account: Option<Cow<'a, str>>,
+    pub balance: Option<Cow<'a, str>>,
+    pub book_directory: Option<Cow<'a, str>>,
+    pub expiration: Option<i32>,
+    pub flags: Option<i32>,
+    pub low_limit: Option<BTreeMap<Cow<'a, str>, Cow<'a, str>>>,
+    pub high_limit: Option<BTreeMap<Cow<'a, str>, Cow<'a, str>>>,
+    pub next_page_min: Option<Cow<'a, str>>,
+    #[serde(rename = "NFTokens")]
+    pub nftokens: Option<Vec<NFTokenMetadata<'a>>>,
+    pub previous_page_min: Option<Cow<'a, str>>,
+    pub sequence: Option<i32>,
+    pub taker_gets: Option<Amount<'a>>,
+    pub taker_pays: Option<Amount<'a>>,
+    pub xchain_claim_id: Option<Cow<'a, str>>,
+}
+
+#[skip_serializing_none]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub enum AffectedNode<'a> {
+    #[serde(rename_all = "PascalCase")]
+    CreatedNode {
+        ledger_entry_type: LedgerEntryType,
+        ledger_index: LedgerIndex<'a>,
+        new_fields: Fields<'a>,
+    },
+    #[serde(rename_all = "PascalCase")]
+    ModifiedNode {
+        ledger_entry_type: LedgerEntryType,
+        ledger_index: LedgerIndex<'a>,
+        final_fields: Option<Fields<'a>>,
+        previous_fields: Option<Fields<'a>>,
+        previous_txn_id: Option<Cow<'a, str>>,
+        previous_txn_lgr_seq: Option<i32>,
+    },
+    #[serde(rename_all = "PascalCase")]
+    DeletedNode {
+        ledger_entry_type: LedgerEntryType,
+        ledger_index: LedgerIndex<'a>,
+        final_fields: Fields<'a>,
+        previous_fields: Option<Fields<'a>>,
+    },
+}
+
+#[skip_serializing_none]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct TransactionMetadata<'a> {
+    pub affected_nodes: Vec<AffectedNode<'a>>,
+    pub transaction_index: i32,
+    pub transaction_result: Amount<'a>,
+    #[serde(rename = "delivered_amount")]
+    pub delivered_amount: Option<Amount<'a>>,
+}
+
+#[cfg(test)]
+mod test_serde {
+    #[test]
+    fn test_deserialize_deleted_node() {
+        let json = r#"
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "Account": "rHzKtpcB1KC1YuU4PBhk9m2abqrf2kZsfV",
+                        "BookDirectory": "623C4C4AD65873DA787AC85A0A1385FE6233B6DE100799474F20E441AE211B08",
+                        "BookNode": "0",
+                        "Flags": 0,
+                        "OwnerNode": "0",
+                        "PreviousTxnID": "3C5524789C20AE661CF4985EF694F11128FE267D084CB5E77DBB5FFD78E31E1C",
+                        "PreviousTxnLgrSeq": 92173580,
+                        "Sequence": 29337056,
+                        "TakerGets": "17250658754",
+                        "TakerPays": {
+                            "currency": "CNY",
+                            "issuer": "rJ1adrpGS3xsnQMb9Cw54tWJVFPuSdZHK",
+                            "value": "159709.5313591656"
+                        }
+                    },
+                    "LedgerEntryType": "Offer",
+                    "LedgerIndex": "D11F69DE8A8CACB130F2E2B9893E5C97B9EE4136759C66C1F3497C8575FF5ED0"
+                }
+            }
+        "#;
+        let deleted_node = serde_json::from_str::<super::AffectedNode>(json);
+
+        assert!(deleted_node.is_ok());
+    }
+
+    #[test]
+    fn test_deserialize_modified_node() {
+        let json = r#"
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rHzKtpcB1KC1YuU4PBhk9m2abqrf2kZsfV",
+                        "Balance": "5000542889",
+                        "Flags": 0,
+                        "OwnerCount": 5,
+                        "Sequence": 29337064
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "991ED60C316200D33B2EA3E56E505433394DBA7FF5E7ADE8C8850D02BEF1F53A",
+                    "PreviousFields": {
+                        "Balance": "5000542904",
+                        "Sequence": 29337063
+                    },
+                    "PreviousTxnID": "960FAFAF9CA0465B7475F888946F0D58F9CF49B18F3991D826B03A5025368DDE",
+                    "PreviousTxnLgrSeq": 92173588
+                }
+            }
+        "#;
+        let modified_node = serde_json::from_str::<super::AffectedNode>(json);
+
+        assert!(modified_node.is_ok());
+    }
+
+    #[test]
+    fn test_deserialize_created_node() {
+        let json = r#"
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "991ED60C316200D33B2EA3E56E505433394DBA7FF5E7ADE8C8850D02BEF1F53A",
+                    "NewFields": {
+                        "Account": "rHzKtpcB1KC1YuU4PBhk9m2abqrf2kZsfV",
+                        "Balance": "5000542889",
+                        "Flags": 0,
+                        "OwnerCount": 5,
+                        "Sequence": 29337064
+                    }
+                }
+            }
+        "#;
+        let created_node = serde_json::from_str::<super::AffectedNode>(json);
+
+        assert!(created_node.is_ok());
+    }
+}
diff --git a/src/models/transactions/mod.rs b/src/models/transactions/mod.rs
index 84eefcf..b8c8cf4 100644
--- a/src/models/transactions/mod.rs
+++ b/src/models/transactions/mod.rs
@@ -14,6 +14,7 @@ pub mod escrow_cancel;
 pub mod escrow_create;
 pub mod escrow_finish;
 pub mod exceptions;
+pub mod metadata;
 pub mod nftoken_accept_offer;
 pub mod nftoken_burn;
 pub mod nftoken_cancel_offer;
diff --git a/src/utils/exceptions.rs b/src/utils/exceptions.rs
index ae3230f..776265e 100644
--- a/src/utils/exceptions.rs
+++ b/src/utils/exceptions.rs
@@ -3,7 +3,9 @@
 use alloc::string::String;
 use thiserror_no_std::Error;
 
-use crate::XRPLSerdeJsonError;
+#[cfg(feature = "models")]
+use crate::models::XRPLModelException;
+use crate::{core::exceptions::XRPLCoreException, XRPLSerdeJsonError};
 
 pub type XRPLUtilsResult<T, E = XRPLUtilsException> = core::result::Result<T, E>;
 
@@ -14,6 +16,13 @@ pub enum XRPLUtilsException {
     XRPLTimeRangeError(#[from] XRPLTimeRangeException),
     #[error("XRP Range error: {0}")]
     XRPRangeError(#[from] XRPRangeException),
+    #[error("XRPL NFT ID error: {0}")]
+    XRPLNFTIdError(#[from] XRPLNFTIdException),
+    #[error("XRPL Core error: {0}")]
+    XRPLCoreError(#[from] XRPLCoreException),
+    #[cfg(feature = "models")]
+    #[error("XRPL Model error: {0}")]
+    XRPLModelError(#[from] XRPLModelException),
     #[error("ISO Code error: {0}")]
     ISOCodeError(#[from] ISOCodeException),
     #[error("Decimal error: {0}")]
@@ -22,8 +31,10 @@ pub enum XRPLUtilsException {
     BigDecimalError(#[from] bigdecimal::ParseBigDecimalError),
     #[error("serde_json error: {0}")]
     SerdeJsonError(#[from] XRPLSerdeJsonError),
-    #[error("Invalid Hex error: {0}")]
+    #[error("From Hex error: {0}")]
     FromHexError(#[from] hex::FromHexError),
+    #[error("ParseInt error: {0}")]
+    ParseIntError(#[from] core::num::ParseIntError),
 }
 
 #[derive(Debug, Clone, PartialEq, Error)]
@@ -62,6 +73,13 @@ pub enum XRPRangeException {
     UnexpectedICAmountOverflow { max: usize, found: usize },
 }
 
+#[derive(Debug, Clone, PartialEq, Error)]
+#[non_exhaustive]
+pub enum XRPLNFTIdException {
+    #[error("Invalid NFT ID length (expected: {expected} found: {found})")]
+    InvalidNFTIdLength { expected: usize, found: usize },
+}
+
 #[derive(Debug, Clone, PartialEq, Error)]
 #[non_exhaustive]
 pub enum ISOCodeException {
diff --git a/src/utils/get_nftoken_id.rs b/src/utils/get_nftoken_id.rs
new file mode 100644
index 0000000..314bc54
--- /dev/null
+++ b/src/utils/get_nftoken_id.rs
@@ -0,0 +1,149 @@
+use alloc::{borrow::Cow, vec::Vec};
+
+use crate::models::ledger::objects::LedgerEntryType;
+use crate::models::transactions::metadata::TransactionMetadata;
+use crate::models::transactions::metadata::{AffectedNode, NFTokenMetadata};
+
+/// Flattens objects into a single list, and applies func to every object in objects.
+fn flatmap<T, R>(func: impl Fn(T) -> Vec<R>, list_of_items: Vec<T>) -> Vec<R> {
+    let mut modified_items: Vec<R> = Vec::new();
+    for item in list_of_items {
+        modified_items.extend(func(item));
+    }
+    modified_items
+}
+
+pub fn get_nftoken_ids_from_nftokens(nftokens: Vec<NFTokenMetadata<'_>>) -> Vec<Cow<'_, str>> {
+    nftokens
+        .into_iter()
+        .map(|token| token.nftoken.nftoken_id)
+        .collect()
+}
+
+fn has_nftoken_page(node: &AffectedNode) -> bool {
+    match node {
+        AffectedNode::CreatedNode {
+            ledger_entry_type, ..
+        } => ledger_entry_type == &LedgerEntryType::NFTokenPage,
+        AffectedNode::ModifiedNode {
+            ledger_entry_type,
+            previous_fields,
+            ..
+        } => {
+            ledger_entry_type == &LedgerEntryType::NFTokenPage
+                && previous_fields.is_some()
+                && previous_fields.as_ref().unwrap().nftokens.is_some()
+        }
+        _ => false,
+    }
+}
+
+fn get_previous_nftokens<'a>(node: &'a AffectedNode) -> Vec<NFTokenMetadata<'a>> {
+    match node {
+        AffectedNode::ModifiedNode {
+            previous_fields, ..
+        } => {
+            if let Some(previous_fields) = previous_fields {
+                if let Some(new_nftokens) = &previous_fields.nftokens {
+                    new_nftokens.clone()
+                } else {
+                    Vec::new()
+                }
+            } else {
+                Vec::new()
+            }
+        }
+        _ => Vec::new(),
+    }
+}
+
+fn get_new_nftokens<'a>(node: &'a AffectedNode) -> Vec<NFTokenMetadata<'a>> {
+    match node {
+        AffectedNode::ModifiedNode { final_fields, .. } => {
+            if let Some(final_fields) = final_fields {
+                if let Some(new_nftokens) = &final_fields.nftokens {
+                    new_nftokens.clone()
+                } else {
+                    Vec::new()
+                }
+            } else {
+                Vec::new()
+            }
+        }
+        AffectedNode::CreatedNode { new_fields, .. } => {
+            if let Some(new_nftokens) = &new_fields.nftokens {
+                new_nftokens.clone()
+            } else {
+                Vec::new()
+            }
+        }
+        _ => Vec::new(),
+    }
+}
+
+pub fn get_nftoken_id<'a: 'b, 'b>(meta: &'a TransactionMetadata<'a>) -> Option<Cow<'b, str>> {
+    let affected_nodes: Vec<&AffectedNode> = meta
+        .affected_nodes
+        .iter()
+        .filter(|node| has_nftoken_page(node))
+        .collect();
+
+    if affected_nodes.is_empty() {
+        return None;
+    }
+
+    let previous_token_ids: Vec<Cow<'_, str>> =
+        get_nftoken_ids_from_nftokens(flatmap(get_previous_nftokens, affected_nodes.clone()));
+
+    let final_token_ids: Vec<Cow<'_, str>> =
+        get_nftoken_ids_from_nftokens(flatmap(get_new_nftokens, affected_nodes));
+
+    final_token_ids
+        .into_iter()
+        .find(|id| !previous_token_ids.contains(id))
+}
+
+#[cfg(test)]
+mod test {
+    use lazy_static::lazy_static;
+    use serde::{Deserialize, Serialize};
+
+    use crate::models::transactions::metadata::TransactionMetadata;
+
+    #[derive(Debug, Clone, Serialize, Deserialize)]
+    struct Txn {
+        pub meta: TransactionMetadata<'static>,
+    }
+
+    fn load_tests() -> &'static Option<(Txn, Txn)> {
+        pub const NFTOKEN_MINT_RESPONSE_1: &str =
+            include_str!("./test_data/transaction_jsons/nftokenmint_response1.json");
+        pub const NFTOKEN_MINT_RESPONSE_2: &str =
+            include_str!("./test_data/transaction_jsons/nftokenmint_response2.json");
+
+        lazy_static! {
+            static ref TEST_CASES: Option<(Txn, Txn,)> = Some((
+                serde_json::from_str(NFTOKEN_MINT_RESPONSE_1).expect("load_tests_1"),
+                serde_json::from_str(NFTOKEN_MINT_RESPONSE_2).expect("load_tests_2"),
+            ));
+        }
+
+        &TEST_CASES
+    }
+
+    #[test]
+    fn test_nftoken_id() {
+        let (txn1, txn2) = load_tests()
+            .as_ref()
+            .expect("test_decoding_a_valid_nftoken_id");
+        let nftoken_id1 = super::get_nftoken_id(&txn1.meta);
+        let nftoken_id2 = super::get_nftoken_id(&txn2.meta);
+        let expected_nftoken_id1 =
+            Some("00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB5F8AA66A00000228".into());
+        let expected_nftoken_id2 =
+            Some("0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFA766254000003EE".into());
+
+        assert_eq!(nftoken_id1, expected_nftoken_id1);
+        assert_eq!(nftoken_id2, expected_nftoken_id2);
+    }
+}
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index 2b87a8d..a63283e 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -1,6 +1,10 @@
 //! Convenience utilities for the XRP Ledger
 
 pub mod exceptions;
+#[cfg(feature = "models")]
+pub mod get_nftoken_id;
+#[cfg(feature = "models")]
+pub mod parse_nftoken_id;
 pub mod time_conversion;
 #[cfg(feature = "models")]
 pub(crate) mod transactions;
diff --git a/src/utils/parse_nftoken_id.rs b/src/utils/parse_nftoken_id.rs
new file mode 100644
index 0000000..f07150f
--- /dev/null
+++ b/src/utils/parse_nftoken_id.rs
@@ -0,0 +1,96 @@
+use alloc::borrow::Cow;
+
+use crate::{
+    core::addresscodec::encode_classic_address,
+    models::{transactions::nftoken_mint::NFTokenMintFlag, FlagCollection},
+    utils::exceptions::XRPLNFTIdException,
+};
+
+use super::exceptions::XRPLUtilsResult;
+
+pub struct NFTokenId<'a> {
+    pub nftoken_id: Cow<'a, str>,
+    pub flags: FlagCollection<NFTokenMintFlag>,
+    pub transfer_fee: u32,
+    pub issuer: Cow<'a, str>,
+    pub taxon: u64,
+    pub sequence: u32,
+}
+
+/// Unscrambles or rescrambles a taxon in an NFTokenID.
+///
+/// An issuer may issue several NFTs with the same taxon; to ensure that NFTs
+/// are spread across multiple pages we lightly mix the taxon up by using the
+/// sequence (which is not under the issuer's direct control) as the seed for
+/// a simple linear congruential generator.
+///
+/// From the Hull-Dobell theorem we know that f(x)=(m*x+c) mod n will yield a
+/// permutation of [0, n) when n is a power of 2 if m is congruent to 1 mod 4
+/// and c is odd. By doing a bitwise XOR with this permutation we can
+/// scramble/unscramble the taxon.
+///
+/// The XLS-20d proposal fixes m = 384160001 and c = 2459.
+/// We then take the modulus of 2^32 which is 4294967296.
+pub fn unscramble_taxon(taxon: u64, token_seq: u64) -> u64 {
+    return (taxon ^ (384160001 * token_seq + 2459)) % 4294967296;
+}
+
+/// Parse an NFTokenID into the information it is encoding.
+///
+/// Example decoding:
+///
+/// 000B 0539 C35B55AA096BA6D87A6E6C965A6534150DC56E5E 12C5D09E 0000000C
+/// +--- +--- +--------------------------------------- +------- +-------
+/// |    |    |                                        |        |
+/// |    |    |                                        |        `---> Sequence: 12
+/// |    |    |                                        |
+/// |    |    |                                        `---> Scrambled Taxon: 314,953,886
+/// |    |    |                                              Unscrambled Taxon: 1337
+/// |    |    |
+/// |    |    `---> Issuer: rJoxBSzpXhPtAuqFmqxQtGKjA13jUJWthE
+/// |    |
+/// |    `---> TransferFee: 1337.0 bps or 13.37%
+/// |
+/// `---> Flags: 11 -> lsfBurnable, lsfOnlyXRP and lsfTransferable
+pub fn parse_nftoken_id(nft_id: Cow<str>) -> XRPLUtilsResult<NFTokenId<'_>> {
+    const EXPECTED_LEN: usize = 64;
+
+    if nft_id.len() != EXPECTED_LEN {
+        return Err(XRPLNFTIdException::InvalidNFTIdLength {
+            expected: EXPECTED_LEN,
+            found: nft_id.len(),
+        }
+        .into());
+    }
+    let scrambled_taxon = u64::from_str_radix(&nft_id[48..56], 16)?;
+    let sequence = u32::from_str_radix(&nft_id[56..64], 16)?;
+    let flags = u32::from_str_radix(&nft_id[0..4], 16)?;
+    let transfer_fee = u32::from_str_radix(&nft_id[4..8], 16)?;
+    let issuer_bytes = hex::decode(&nft_id[8..48])?;
+    let issuer = encode_classic_address(issuer_bytes.as_ref())?;
+
+    Ok(NFTokenId {
+        nftoken_id: nft_id,
+        flags: flags.try_into()?,
+        transfer_fee,
+        issuer: issuer.into(),
+        taxon: unscramble_taxon(scrambled_taxon, sequence as u64),
+        sequence,
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_parse_nftoken_id() {
+        let nft_id = "000B0539C35B55AA096BA6D87A6E6C965A6534150DC56E5E12C5D09E0000000C";
+        let nftoken_id = parse_nftoken_id(Cow::Borrowed(nft_id)).unwrap();
+        assert_eq!(nftoken_id.flags.len(), 3);
+        assert_eq!(nftoken_id.transfer_fee, 1337);
+        assert_eq!(nftoken_id.issuer, "rJoxBSzpXhPtAuqFmqxQtGKjA13jUJWthE");
+        assert_eq!(nftoken_id.taxon, 1337);
+        assert_eq!(nftoken_id.sequence, 12);
+    }
+}
diff --git a/src/utils/test_data/transaction_jsons/XChainCreateClaimID.json b/src/utils/test_data/transaction_jsons/XChainCreateClaimID.json
new file mode 100644
index 0000000..533f146
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/XChainCreateClaimID.json
@@ -0,0 +1,118 @@
+{
+    "tx": {
+      "Account": "rLVUz66tawieqTPAHuTyFTN6pLbHcXiTzd",
+      "Fee": "20",
+      "Flags": 2147483648,
+      "NetworkID": 2552,
+      "OtherChainSource": "rL5Zd9m5XEoGPddMwYY5H5C8ARcR47b6oM",
+      "Sequence": 1007784,
+      "SignatureReward": "100",
+      "SigningPubKey": "039E925058C740A5B73E49300FC205D058520DE37F2C63C4EE3A0D1B50C4E44080",
+      "TransactionType": "XChainCreateClaimID",
+      "TxnSignature": "304402201C6F95B9997FB63DCD9854664707C58C46AA3207612FE32366B77DA084786CAF02205752C58821D7FAFAE26F77DC10AC0AFDDCBCCF4FCBED90E6B8C4523A0EB3E008",
+      "XChainBridge": {
+        "IssuingChainDoor": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+        "IssuingChainIssue": {
+          "currency": "XRP"
+        },
+        "LockingChainDoor": "rMAXACCrp3Y8PpswXcg3bKggHX76V3F8M4",
+        "LockingChainIssue": {
+          "currency": "XRP"
+        }
+      },
+      "date": 1695324353000
+    },
+    "meta": {
+      "AffectedNodes": [
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Account": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+              "Flags": 0,
+              "MinAccountCreateAmount": "10000000",
+              "OwnerNode": "0",
+              "SignatureReward": "100",
+              "XChainAccountClaimCount": "e3",
+              "XChainAccountCreateCount": "0",
+              "XChainBridge": {
+                "IssuingChainDoor": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+                "IssuingChainIssue": {
+                  "currency": "XRP"
+                },
+                "LockingChainDoor": "rMAXACCrp3Y8PpswXcg3bKggHX76V3F8M4",
+                "LockingChainIssue": {
+                  "currency": "XRP"
+                }
+              },
+              "XChainClaimID": "b0"
+            },
+            "LedgerEntryType": "Bridge",
+            "LedgerIndex": "114C0DC89656D1B0FB1F4A3426034C3FCE75BCE65D9574B5D96ABC2B24D6C8F1",
+            "PreviousFields": {
+              "XChainClaimID": "af"
+            },
+            "PreviousTxnID": "3F6F3BBE584115D1A575AB24BA32B47184F2323B65DE5C8C8EE144A55115E0B9",
+            "PreviousTxnLgrSeq": 1027822
+          }
+        },
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Flags": 0,
+              "Owner": "rLVUz66tawieqTPAHuTyFTN6pLbHcXiTzd",
+              "RootIndex": "6C1EA1A93D590E831CCC0EE2CBE26C146A3A6FD36F5854DC5E5AB5CE78FAE49C"
+            },
+            "LedgerEntryType": "DirectoryNode",
+            "LedgerIndex": "6C1EA1A93D590E831CCC0EE2CBE26C146A3A6FD36F5854DC5E5AB5CE78FAE49C"
+          }
+        },
+        {
+          "CreatedNode": {
+            "LedgerEntryType": "XChainOwnedClaimID",
+            "LedgerIndex": "A00BD77AE864509D796B39041AD48E9DEFEC9AF20E5C09CEF2F5DA41D6CFEB1E",
+            "NewFields": {
+              "Account": "rLVUz66tawieqTPAHuTyFTN6pLbHcXiTzd",
+              "OtherChainSource": "rL5Zd9m5XEoGPddMwYY5H5C8ARcR47b6oM",
+              "SignatureReward": "100",
+              "XChainBridge": {
+                "IssuingChainDoor": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+                "IssuingChainIssue": {
+                  "currency": "XRP"
+                },
+                "LockingChainDoor": "rMAXACCrp3Y8PpswXcg3bKggHX76V3F8M4",
+                "LockingChainIssue": {
+                  "currency": "XRP"
+                }
+              },
+              "XChainClaimID": "b0"
+            }
+          }
+        },
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Account": "rLVUz66tawieqTPAHuTyFTN6pLbHcXiTzd",
+              "Balance": "39999940",
+              "Flags": 0,
+              "OwnerCount": 3,
+              "Sequence": 1007785
+            },
+            "LedgerEntryType": "AccountRoot",
+            "LedgerIndex": "FD919D0BAA90C759DA4C7130AEEF6AE7FA2AF074F5E867D40BCBE1ECD8D8D0EA",
+            "PreviousFields": {
+              "Balance": "39999960",
+              "OwnerCount": 2,
+              "Sequence": 1007784
+            },
+            "PreviousTxnID": "3F6F3BBE584115D1A575AB24BA32B47184F2323B65DE5C8C8EE144A55115E0B9",
+            "PreviousTxnLgrSeq": 1027822
+          }
+        }
+      ],
+      "TransactionIndex": 0,
+      "TransactionResult": "tesSUCCESS"
+    },
+    "hash": "998E76B9840DA5A6009592A2674D0166A9C4862193193AA46EA6B77A64781FB4",
+    "ledger_index": 1027837,
+    "date": 1695324353000
+  }
diff --git a/src/utils/test_data/transaction_jsons/XChainCreateClaimID2.json b/src/utils/test_data/transaction_jsons/XChainCreateClaimID2.json
new file mode 100644
index 0000000..b69cacf
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/XChainCreateClaimID2.json
@@ -0,0 +1,118 @@
+{
+    "tx": {
+        "Account": "rwmUSzi5Xp31AjMTEdbvxgWqLETcVNU6Fv",
+        "Fee": "12",
+        "Flags": 0,
+        "LastLedgerSequence": 1027798,
+        "NetworkID": 2552,
+        "OtherChainSource": "rBXdfZ7NVpdjRfYajPMpviGgq7HLDeuBdR",
+        "Sequence": 1027778,
+        "SignatureReward": "100",
+        "SigningPubKey": "EDDDD69DF802B8DB82D644EF92E2C1F06AC128A275CDFF86F013180D104ED39D3B",
+        "TransactionType": "XChainCreateClaimID",
+        "TxnSignature": "67BE63527EC8A0C872F23E2C4EB97C1F3E7D3FED6D10C8310B9235D3891B6B9343768A080E258F6C3687BFC4B7C5FD429ABB33654C99DE46471FD6F2A7035303",
+        "XChainBridge": {
+        "IssuingChainDoor": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+        "IssuingChainIssue": {
+            "currency": "XRP"
+        },
+        "LockingChainDoor": "rMAXACCrp3Y8PpswXcg3bKggHX76V3F8M4",
+        "LockingChainIssue": {
+            "currency": "XRP"
+        }
+        },
+        "date": 1695324182000
+    },
+    "meta": {
+        "AffectedNodes": [
+        {
+            "ModifiedNode": {
+            "FinalFields": {
+                "Account": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+                "Flags": 0,
+                "MinAccountCreateAmount": "10000000",
+                "OwnerNode": "0",
+                "SignatureReward": "100",
+                "XChainAccountClaimCount": "e2",
+                "XChainAccountCreateCount": "0",
+                "XChainBridge": {
+                "IssuingChainDoor": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+                "IssuingChainIssue": {
+                    "currency": "XRP"
+                },
+                "LockingChainDoor": "rMAXACCrp3Y8PpswXcg3bKggHX76V3F8M4",
+                "LockingChainIssue": {
+                    "currency": "XRP"
+                }
+                },
+                "XChainClaimID": "ac"
+            },
+            "LedgerEntryType": "Bridge",
+            "LedgerIndex": "114C0DC89656D1B0FB1F4A3426034C3FCE75BCE65D9574B5D96ABC2B24D6C8F1",
+            "PreviousFields": {
+                "XChainClaimID": "ab"
+            },
+            "PreviousTxnID": "80C33D1FB349D698CFDB1A85E8368557C5B7219B74DFCB2B05E0B10E2667F902",
+            "PreviousTxnLgrSeq": 1027779
+            }
+        },
+        {
+            "ModifiedNode": {
+            "FinalFields": {
+                "Account": "rwmUSzi5Xp31AjMTEdbvxgWqLETcVNU6Fv",
+                "Balance": "19999988",
+                "Flags": 0,
+                "OwnerCount": 1,
+                "Sequence": 1027779
+            },
+            "LedgerEntryType": "AccountRoot",
+            "LedgerIndex": "33442CE111B258424548888D8999F6D064A0866B1300C44AB72E1C5A09765D9D",
+            "PreviousFields": {
+                "Balance": "20000000",
+                "OwnerCount": 0,
+                "Sequence": 1027778
+            },
+            "PreviousTxnID": "7C9ACA230488547B4F39EBCE332447FB90AE59B64C1B03BBF474B509B43739EC",
+            "PreviousTxnLgrSeq": 1027778
+            }
+        },
+        {
+            "CreatedNode": {
+            "LedgerEntryType": "DirectoryNode",
+            "LedgerIndex": "439684B06C22596B5B86D2F50903B6AA6F68BD07BED636FC6325704B09DE5D61",
+            "NewFields": {
+                "Owner": "rwmUSzi5Xp31AjMTEdbvxgWqLETcVNU6Fv",
+                "RootIndex": "439684B06C22596B5B86D2F50903B6AA6F68BD07BED636FC6325704B09DE5D61"
+            }
+            }
+        },
+        {
+            "CreatedNode": {
+            "LedgerEntryType": "XChainOwnedClaimID",
+            "LedgerIndex": "8097863E1200B0174006541763AA8F604782DA10C1BD37190D753C699D69C678",
+            "NewFields": {
+                "Account": "rwmUSzi5Xp31AjMTEdbvxgWqLETcVNU6Fv",
+                "OtherChainSource": "rBXdfZ7NVpdjRfYajPMpviGgq7HLDeuBdR",
+                "SignatureReward": "100",
+                "XChainBridge": {
+                "IssuingChainDoor": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+                "IssuingChainIssue": {
+                    "currency": "XRP"
+                },
+                "LockingChainDoor": "rMAXACCrp3Y8PpswXcg3bKggHX76V3F8M4",
+                "LockingChainIssue": {
+                    "currency": "XRP"
+                }
+                },
+                "XChainClaimID": "ac"
+            }
+            }
+        }
+        ],
+        "TransactionIndex": 0,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "hash": "A42C4E7F5BAF8A9BEB56853114EE686D554F15F400B8DA885A344B13C32D07BC",
+    "ledger_index": 1027780,
+    "date": 1695324182000
+}
diff --git a/src/utils/test_data/transaction_jsons/nftokenmint_response1.json b/src/utils/test_data/transaction_jsons/nftokenmint_response1.json
new file mode 100644
index 0000000..9baf354
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/nftokenmint_response1.json
@@ -0,0 +1,480 @@
+{
+    "tx": {
+      "Account": "rXMART8usFd5kABXCayoP6ZfB35b4v43t",
+      "Fee": "12",
+      "Flags": 8,
+      "Issuer": "rMhoejpvS8mWfiffy4Zj8H2KbVs1oZCVsP",
+      "LastLedgerSequence": 77781480,
+      "Memos": [
+        {
+          "Memo": {
+            "MemoData": "68747470733A2F2F786D6172742E6172742F766965772D6E66742F38646261376436386533383665363865653636393030373461633965653438323A31363735373034353330383336",
+            "MemoType": "784D6172742D4E46542D6D696E74"
+          }
+        }
+      ],
+      "NFTokenTaxon": 5545,
+      "Sequence": 72168792,
+      "SigningPubKey": "ED8BB649713ED492AE35B4B5CA745CCA55ADF8EF4CEDB2CC8BA4E28557E993AD2F",
+      "TransactionType": "NFTokenMint",
+      "TransferFee": 5000,
+      "TxnSignature": "8E4B05FE811BA0DCFE9B4E54B0550D2B934336C09449C2FC14E8F6CFE20069115D18C5930E744220E84C06C145F93F5C291C4CC96D19425C941E2603652B8C02",
+      "URI": "697066733A2F2F626166796265696161736F7073366D6D783772616732743464687833616B3374747432683462647274657279786C373662366C78646E6A7962336D2F6D657461646174612E6A736F6E",
+      "date": 1676330052000,
+      "warnings": [
+        {
+          "id": 1004,
+          "message": "This is a reporting server.  The default behavior of a reporting server is to only return validated data. If you are looking for not yet validated data, include \"ledger_index : current\" in your request, which will cause this server to forward the request to a p2p node. If the forward is successful the response will include \"forwarded\" : \"true\""
+        }
+      ]
+    },
+    "meta": {
+      "AffectedNodes": [
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Flags": 0,
+              "NFTokens": [
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB1AD9556900000225",
+                    "URI": "697066733A2F2F62616679626569626732726B6B6768616B6B727433696D61656F6D6D65377164747169687A756F713272327875637872776478676565356A7272652F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB1EF9501C0000021A",
+                    "URI": "697066733A2F2F62616679626569626A74736F7270637879366465797A666B3233676D6863786E67356C7536746277786E786269627667776575357172356B7A34752F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB1FFCAED5000000E1",
+                    "URI": "697066733A2F2F6261667962656962736432653571337674686375777034746868336F6B633673746F676C696D6873746C70347663336564333632796375346978342F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB21D71D900000009E",
+                    "URI": "697066733A2F2F6261667962656964736B686B746C646233686F6F637A786A7577766932377835696C637677776278696C33366371366736746362667478653573612F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB22ADCA8600000194",
+                    "URI": "697066733A2F2F6261667962656964786336343471776B35626172357036756561376C747A786F3737786B647665616666633435337A66777565646737336B7966752F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB24F382CE000001CC",
+                    "URI": "697066733A2F2F62616679626569626A363563346E77737A3773756C773364756D6E776B6F616D6E786770716270656E726D6567356F76657067763233356C687A342F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB25F7188700000093",
+                    "URI": "697066733A2F2F626166796265696371767069796C6271616D6371336C636175727A706A696465367468346233376C68346A7766786C65646C63686533756F6179342F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB28A8254800000146",
+                    "URI": "697066733A2F2F626166796265696571627072637873686370647865677268686B6C786570666535376970696E6571687137656C706F68326B356E32753571706C792F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB2F794C20000001EE",
+                    "URI": "697066733A2F2F626166796265696832656D6A7A616A687337747A6B616C68646B756D363737357678326F76616C33726F6D696368336A3434326A6F3468366166342F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB31BF046800000226",
+                    "URI": "697066733A2F2F6261667962656965696E7A787774776B7672666E646E626A7061636D61776E6C7A7564616A726473616777703474676B6F643363756477697337692F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB38BCCC930000009F",
+                    "URI": "697066733A2F2F62616679626569636E6678796D66676D70346A6E7365716678617A7633326E65796D697333357769637333336333616B616D72707773323233716D2F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB3B6DE94400000152",
+                    "URI": "697066733A2F2F626166796265696435726C676577667762736676683368346C7434756B763267766A7634656B61736778327A766A6D67377166773775737A7576342F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB3BD97DC1000001CD",
+                    "URI": "697066733A2F2F62616679626569656A6B677A706C6766616775737564646174326A3335657163756A3762337376356D6C3568613569786676327535747A337170652F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB3F2283CE000000CC",
+                    "URI": "697066733A2F2F62616679626569667670746C366B69666C746E3661766F6179663473347A3364796466796B6A666466646A626A76746575696A706B626A336733752F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "00081388DC1AB4937C899037B2FDFC3CB20F6F64E73120BB3F8E144B00000147",
+                    "URI": "697066733A2F2F62616679626569636675336272636F6C6962767171727736703464617772636A6B75737877637436366C6F736C797576636D766C66766D643478692F6D657461646174612E6A736F6E"
+                  }
+                },
+                {
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+          }
+        },
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Account": "rXMART8usFd5kABXCayoP6ZfB35b4v43t",
+              "Balance": "16344096437",
+              "Domain": "786D6172742E617274",
+              "EmailHash": "D48190C85BE485DEA4CF4A56A8E93772",
+              "Flags": 0,
+              "OwnerCount": 4816,
+              "Sequence": 72168793
+            },
+            "LedgerEntryType": "AccountRoot",
+            "LedgerIndex": "141E89D379C6949CA34BCB244DCBB7A6B2889781B157119CCC05ED19DFB676B0",
+            "PreviousFields": {
+              "Balance": "16344096449",
+              "Sequence": 72168792
+            },
+            "PreviousTxnID": "E17B8C46E87FD5FADA045AD19A572661F01DEC6CFB7A24536211EF8999A99C47",
+            "PreviousTxnLgrSeq": 77781459
+          }
+        },
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Account": "rMhoejpvS8mWfiffy4Zj8H2KbVs1oZCVsP",
+              "Balance": "1471369312",
+              "BurnedNFTokens": 1,
+              "Domain": "706978656C736F66756B69796F2E636F6D",
+              "Flags": 8388608,
+              "MintedNFTokens": 553,
+              "NFTokenMinter": "rXMART8usFd5kABXCayoP6ZfB35b4v43t",
+              "OwnerCount": 19,
+              "Sequence": 77578378
+            },
+            "LedgerEntryType": "AccountRoot",
+            "LedgerIndex": "9DA74F431B2F406947558A12C01D4A080CAA5AC3FFA221C444E32A89B56C519A",
+            "PreviousFields": {
+              "MintedNFTokens": 552
+            },
+            "PreviousTxnID": "C6DDE35463575822835391EAC1E6E03CC7545EFE0144D8D410FB5EA6A9746CE0",
+            "PreviousTxnLgrSeq": 77781454
+          }
+        }
+      ],
+      "TransactionIndex": 42,
+      "TransactionResult": "tesSUCCESS"
+    },
+    "hash": "1C57BFD847DBBAB78211229AA9AC8965B8EF705390ABAD8C2E79C98520EE9B10",
+    "ledger_index": 77781462,
+    "date": 1676330052000
+  }
\ No newline at end of file
diff --git a/src/utils/test_data/transaction_jsons/nftokenmint_response2.json b/src/utils/test_data/transaction_jsons/nftokenmint_response2.json
new file mode 100644
index 0000000..9bac693
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/nftokenmint_response2.json
@@ -0,0 +1,348 @@
+{
+    "tx": {
+      "Account": "rJMBXARKGNGTP5428VdksLLEbPYP5dxn9d",
+      "Fee": "5500",
+      "Flags": 8,
+      "LastLedgerSequence": 77804703,
+      "Memos": [
+        {
+          "Memo": {
+            "MemoData": "43726561746564206F6E206E66742E6F6E7872702E636F6D"
+          }
+        }
+      ],
+      "NFTokenTaxon": 23935453,
+      "Sequence": 72918661,
+      "SigningPubKey": "021E4C21B87E989C95EBBB228738A3E73F169E6F9CA73CE4FDA5B5827AF34987DF",
+      "TransactionType": "NFTokenMint",
+      "TransferFee": 4700,
+      "TxnSignature": "3045022100E18E831549F5E5E59AFF7D13DB6AF41CAD3E1F0BB447FC48D7007E08A03E82D7022039D279BDDEA2C5BFCD24CB67FF875D1D6058AB7CFC3CD6030A29DF6EC375FE26",
+      "URI": "697066733A2F2F516D594B71784A347779696E38466A6F516A55797363704E7167627568537373646631726F675334353144315161",
+      "date": 1676421542000,
+      "warnings": [
+        {
+          "id": 1004,
+          "message": "This is a reporting server.  The default behavior of a reporting server is to only return validated data. If you are looking for not yet validated data, include \"ledger_index : current\" in your request, which will cause this server to forward the request to a p2p node. If the forward is successful the response will include \"forwarded\" : \"true\""
+        }
+      ]
+    },
+    "meta": {
+      "AffectedNodes": [
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Flags": 0,
+              "NFTokens": [
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF32DC40200000218",
+                    "URI": "697066733A2F2F516D564D527647464D68635637416D5153375A31535A3753667645546F4A4E4E4C6F68694E67356F647251557242"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF424182F00000303",
+                    "URI": "697066733A2F2F516D6167744843744D394D5259343777744B7841744138576E3942726652577A484D48444E74344735344E6D6D45"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF58F04F000000192",
+                    "URI": "697066733A2F2F516D644562464C6A5261794D425532383243685731545979526A4E6F6D6A397375645A32323275427379434C4675"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF593075100000245",
+                    "URI": "697066733A2F2F516D65384A37335478556A6A4551583651686434317A75536B4A316B4637644A574543424B46534771504B525536"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF5FEABEA000002C0",
+                    "URI": "697066733A2F2F516D515175517266675666376D336A54716E6A726A63554B4A5A3439696374536235654D65783979566F6363326B"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF64A555000000346",
+                    "URI": "697066733A2F2F516D596445464A39577A4D615375543438423272317A777034717A78506442384155436866584874765141675A71"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF6B5F9ED000003C1",
+                    "URI": "697066733A2F2F516D584668746251444D3239443539336A48504C4869554A4B586A776A776D56746F744346616172677A6374694C"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF6D2C66C00000016",
+                    "URI": "697066733A2F2F516D6466386D4467535778415A59663133575A746A627464736A6B5A636A355A6564676F4C44576468384B32684B"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF74DCF190000020D",
+                    "URI": "697066733A2F2F516D55614877636E6E6B62354357653858336D6E704D7575517A695777774B6545436F42326E6E724B57364D486A"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF7D1B0370000014F",
+                    "URI": "697066733A2F2F516D62755332414276576D4B57366D5437736F715346384C766952314C75767263794258574E57675755486F6864"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF844E322000002F8",
+                    "URI": "697066733A2F2F516D6234756343754859677635394A5350325A5039767045764E6D7A515071504C323277563874636D33774D4144"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF86F7BFF00000187",
+                    "URI": "697066733A2F2F516D614A6B337464574C46513166593436734A707842566446697567326455343478686B516373543336384E4848"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF8AF97BF00000373",
+                    "URI": "697066733A2F2F516D54474B6975326A386D683454784A57596F586E3474346A644A4A48467A36764675726B4D554C345571397071"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFA6A50670000033B",
+                    "URI": "697066733A2F2F516D54597A6A3262506F616B36593943734272526B735277426D3745574A44686F4577556661324B7A5534757733"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFA766254000003EE",
+                    "URI": "697066733A2F2F516D594B71784A347779696E38466A6F516A55797363704E7167627568537373646631726F675334353144315161"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFAD5C4E0000003B6",
+                    "URI": "697066733A2F2F516D53774855547A4E585153356E64484E633565566B6359794A73656E5458736F6E6F6779475A54486142554B73"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFC4F7ECA0000017C",
+                    "URI": "697066733A2F2F516D656B4E7435595A6F4B6E78764667345745504E694C5042524D324E4B33594837454E43386162535946454A66"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFCCF92B200000368",
+                    "URI": "697066733A2F2F516D614E555A3470484B73714439366279526E623746356D6B477279634A576E696B615A566D6239396D396E3745"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFD3B07CF000003E3",
+                    "URI": "697066733A2F2F516D55426F325242596F70526A656F4A7134686570366A57663258716E7A344B46366866537754636463564B5052"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFE1EB6E1000002B5",
+                    "URI": "697066733A2F2F516D563348623434313776687352637963726470537A757262514E5755394E345443733548345038697A5335686D"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFE8A5B7A00000330",
+                    "URI": "697066733A2F2F516D656144416F6D4C596664344D6F586832674B754E3656776B794C36585377426B725155654870445944506A33"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFEF5CFF7000003AB",
+                    "URI": "697066733A2F2F516D51783143755371523771653670786F6E6935575938796D5245334E75637A6B50364A7665356434505A573358"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFF48850300000043",
+                    "URI": "697066733A2F2F516D5034674D485761396B777174327858733372383772585A6641674B437459626D73746D61754C795448526E75"
+                  }
+                }
+              ],
+              "PreviousPageMin": "BE4B401B2F62ED35CC67362165AA813CCA06316FCA06316FF2F2C36100000021"
+            },
+            "LedgerEntryType": "NFTokenPage",
+            "LedgerIndex": "BE4B401B2F62ED35CC67362165AA813CCA06316FFFFFFFFFFFFFFFFFFFFFFFFF",
+            "PreviousFields": {
+              "NFTokens": [
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF32DC40200000218",
+                    "URI": "697066733A2F2F516D564D527647464D68635637416D5153375A31535A3753667645546F4A4E4E4C6F68694E67356F647251557242"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF424182F00000303",
+                    "URI": "697066733A2F2F516D6167744843744D394D5259343777744B7841744138576E3942726652577A484D48444E74344735344E6D6D45"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF58F04F000000192",
+                    "URI": "697066733A2F2F516D644562464C6A5261794D425532383243685731545979526A4E6F6D6A397375645A32323275427379434C4675"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF593075100000245",
+                    "URI": "697066733A2F2F516D65384A37335478556A6A4551583651686434317A75536B4A316B4637644A574543424B46534771504B525536"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF5FEABEA000002C0",
+                    "URI": "697066733A2F2F516D515175517266675666376D336A54716E6A726A63554B4A5A3439696374536235654D65783979566F6363326B"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF64A555000000346",
+                    "URI": "697066733A2F2F516D596445464A39577A4D615375543438423272317A777034717A78506442384155436866584874765141675A71"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF6B5F9ED000003C1",
+                    "URI": "697066733A2F2F516D584668746251444D3239443539336A48504C4869554A4B586A776A776D56746F744346616172677A6374694C"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF6D2C66C00000016",
+                    "URI": "697066733A2F2F516D6466386D4467535778415A59663133575A746A627464736A6B5A636A355A6564676F4C44576468384B32684B"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF74DCF190000020D",
+                    "URI": "697066733A2F2F516D55614877636E6E6B62354357653858336D6E704D7575517A695777774B6545436F42326E6E724B57364D486A"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF7D1B0370000014F",
+                    "URI": "697066733A2F2F516D62755332414276576D4B57366D5437736F715346384C766952314C75767263794258574E57675755486F6864"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF844E322000002F8",
+                    "URI": "697066733A2F2F516D6234756343754859677635394A5350325A5039767045764E6D7A515071504C323277563874636D33774D4144"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF86F7BFF00000187",
+                    "URI": "697066733A2F2F516D614A6B337464574C46513166593436734A707842566446697567326455343478686B516373543336384E4848"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FF8AF97BF00000373",
+                    "URI": "697066733A2F2F516D54474B6975326A386D683454784A57596F586E3474346A644A4A48467A36764675726B4D554C345571397071"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFA6A50670000033B",
+                    "URI": "697066733A2F2F516D54597A6A3262506F616B36593943734272526B735277426D3745574A44686F4577556661324B7A5534757733"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFAD5C4E0000003B6",
+                    "URI": "697066733A2F2F516D53774855547A4E585153356E64484E633565566B6359794A73656E5458736F6E6F6779475A54486142554B73"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFC4F7ECA0000017C",
+                    "URI": "697066733A2F2F516D656B4E7435595A6F4B6E78764667345745504E694C5042524D324E4B33594837454E43386162535946454A66"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFCCF92B200000368",
+                    "URI": "697066733A2F2F516D614E555A3470484B73714439366279526E623746356D6B477279634A576E696B615A566D6239396D396E3745"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFD3B07CF000003E3",
+                    "URI": "697066733A2F2F516D55426F325242596F70526A656F4A7134686570366A57663258716E7A344B46366866537754636463564B5052"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFE1EB6E1000002B5",
+                    "URI": "697066733A2F2F516D563348623434313776687352637963726470537A757262514E5755394E345443733548345038697A5335686D"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFE8A5B7A00000330",
+                    "URI": "697066733A2F2F516D656144416F6D4C596664344D6F586832674B754E3656776B794C36585377426B725155654870445944506A33"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFEF5CFF7000003AB",
+                    "URI": "697066733A2F2F516D51783143755371523771653670786F6E6935575938796D5245334E75637A6B50364A7665356434505A573358"
+                  }
+                },
+                {
+                  "NFToken": {
+                    "NFTokenID": "0008125CBE4B401B2F62ED35CC67362165AA813CCA06316FFF48850300000043",
+                    "URI": "697066733A2F2F516D5034674D485761396B777174327858733372383772585A6641674B437459626D73746D61754C795448526E75"
+                  }
+                }
+              ]
+            },
+            "PreviousTxnID": "12E8B027A922BDDD80E89005D1E813AA52E6BFC02C72AC490E002A3F3D2448A4",
+            "PreviousTxnLgrSeq": 77803196
+          }
+        },
+        {
+          "ModifiedNode": {
+            "FinalFields": {
+              "Account": "rJMBXARKGNGTP5428VdksLLEbPYP5dxn9d",
+              "Balance": "509694877",
+              "BurnedNFTokens": 206,
+              "Flags": 0,
+              "MintedNFTokens": 1007,
+              "OwnerCount": 38,
+              "Sequence": 72918662
+            },
+            "LedgerEntryType": "AccountRoot",
+            "LedgerIndex": "E3EDB522680D817CCE9CBC714D33EC5F567478D2DB551617A41856456D532AB2",
+            "PreviousFields": {
+              "Balance": "509700377",
+              "MintedNFTokens": 1006,
+              "Sequence": 72918661
+            },
+            "PreviousTxnID": "8E476510367BF294618730C443D2A22D9857B37C407DB7D7C6A5D4D477359033",
+            "PreviousTxnLgrSeq": 77804606
+          }
+        }
+      ],
+      "TransactionIndex": 16,
+      "TransactionResult": "tesSUCCESS"
+    },
+    "hash": "77130966274E7DB385AC262A944AC20178611EE694EE0CA75A32C8760791521F",
+    "ledger_index": 77804695,
+    "date": 1676421542000
+  }
\ No newline at end of file
diff --git a/src/utils/test_data/transaction_jsons/offer_cancelled.json b/src/utils/test_data/transaction_jsons/offer_cancelled.json
new file mode 100644
index 0000000..c2b9ddc
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/offer_cancelled.json
@@ -0,0 +1,90 @@
+{
+    "Account": "rEUt5Wy44vDKBDaGkUWG6oSTvxmqgnKWCg",
+    "Fee": "15",
+    "Flags": 2147483648,
+    "LastLedgerSequence": 72374248,
+    "OfferSequence": 70922543,
+    "Sequence": 70922544,
+    "SigningPubKey": "ED024DA5B0A65470D8582D43BDD54D2BD861C9485CFB13EFA2928650CE6686A86D",
+    "TransactionType": "OfferCancel",
+    "TxnSignature": "37EB64C659AE77A70FB93A2DFA0AE5282E3B6C0C8E89A3FE08E004D216CB5C8C62219761E3764AFCBA82692DF6204516FD63C0265CC894B360EA06F18401E90E",
+    "date": 708682141,
+    "hash": "40FDBE9F71213696FE67CC80B2847E7DA1D3E03A4446D34DCC7DE347137FF436",
+    "inLedger": 72374247,
+    "ledger_index": 72374247,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "ExchangeRate": "57147f7b444d5b06",
+                        "Flags": 0,
+                        "RootIndex": "2004607367326F467796C4080157BE0997B306F1CA6AE0C657147F7B444D5B06",
+                        "TakerGetsCurrency": "0000000000000000000000005844580000000000",
+                        "TakerGetsIssuer": "DEC71A7A7168ED930218B15994FD007CE80A4913",
+                        "TakerPaysCurrency": "0000000000000000000000000000000000000000",
+                        "TakerPaysIssuer": "0000000000000000000000000000000000000000"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "2004607367326F467796C4080157BE0997B306F1CA6AE0C657147F7B444D5B06"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rEUt5Wy44vDKBDaGkUWG6oSTvxmqgnKWCg",
+                        "Balance": "1283353963",
+                        "Flags": 0,
+                        "OwnerCount": 2,
+                        "Sequence": 70922545
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "2CAC78E1EEC7340A666AED1DE99DB8B6C8235CB6675903CAB26EA5C62D4F0BB4",
+                    "PreviousFields": {
+                        "Balance": "1283353978",
+                        "OwnerCount": 3,
+                        "Sequence": 70922544
+                    },
+                    "PreviousTxnID": "3C6A9B3C72B79DB877AC205ADC1700281C20D08CCD30A6779C3E1B550B558B95",
+                    "PreviousTxnLgrSeq": 72373937
+                }
+            },
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "Account": "rEUt5Wy44vDKBDaGkUWG6oSTvxmqgnKWCg",
+                        "BookDirectory": "2004607367326F467796C4080157BE0997B306F1CA6AE0C657147F7B444D5B06",
+                        "BookNode": "0",
+                        "Flags": 0,
+                        "OwnerNode": "0",
+                        "PreviousTxnID": "3C6A9B3C72B79DB877AC205ADC1700281C20D08CCD30A6779C3E1B550B558B95",
+                        "PreviousTxnLgrSeq": 72373937,
+                        "Sequence": 70922543,
+                        "TakerGets": {
+                            "currency": "XDX",
+                            "issuer": "rMJAXYsbNzhwp7FfYnAsYP5ty3R9XnurPo",
+                            "value": "82335.52909"
+                        },
+                        "TakerPays": "47504858"
+                    },
+                    "LedgerEntryType": "Offer",
+                    "LedgerIndex": "A867E960F0D9F88D7BE2885AA3E69C5F2C7F76499D6CC483E353D6616EEBD352"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "Owner": "rEUt5Wy44vDKBDaGkUWG6oSTvxmqgnKWCg",
+                        "RootIndex": "FEB025593E20EE2B66382D9F9079719A40AD0DE257CBBD6421092037E39C9A53"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "FEB025593E20EE2B66382D9F9079719A40AD0DE257CBBD6421092037E39C9A53"
+                }
+            }
+        ],
+        "TransactionIndex": 16,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/offer_created.json b/src/utils/test_data/transaction_jsons/offer_created.json
new file mode 100644
index 0000000..09bb70c
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/offer_created.json
@@ -0,0 +1,93 @@
+{
+    "Account": "rJHbqhp9Sea4f43RoUanrDE1gW9MymTLp9",
+    "Expiration": 740218424,
+    "Fee": "25",
+    "Flags": 2148007936,
+    "LastLedgerSequence": 72374322,
+    "Sequence": 71307620,
+    "SigningPubKey": "020AF1B1419DB3C80FBB3B2621315F78F03806118094140B6FE535ED809561AC23",
+    "TakerGets": "44930000",
+    "TakerPays": {
+        "currency": "USD",
+        "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+        "value": "14.524821"
+    },
+    "TransactionType": "OfferCreate",
+    "TxnSignature": "3045022100C1CA7C960C1BD0B2EA9ACCA13BB429C1C5B558AB2B8AFE9FE3815DB075E07806022030152DC46694A3BF8BA1509944F9388723CB30C678E659613D4B3BF8166CCCA5",
+    "date": 708682430,
+    "hash": "463E28521ACA7FB5F4081E7E368FA5AEB76FB641FCB3C92CA9E8971A990CE84A",
+    "inLedger": 72374321,
+    "ledger_index": 72374321,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "Owner": "rJHbqhp9Sea4f43RoUanrDE1gW9MymTLp9",
+                        "RootIndex": "3418F55643869450792F7047DC92DD661D38E68AC827C378D7C12FE8E017DD2B"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "3418F55643869450792F7047DC92DD661D38E68AC827C378D7C12FE8E017DD2B"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rJHbqhp9Sea4f43RoUanrDE1gW9MymTLp9",
+                        "Balance": "69932774",
+                        "Flags": 0,
+                        "OwnerCount": 3,
+                        "Sequence": 71307621
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "72D49D4E2ECA5153A90413AA4BCEFBFBE748A2B66A96F5E5611089C095BD666D",
+                    "PreviousFields": {
+                        "Balance": "69932799",
+                        "OwnerCount": 2,
+                        "Sequence": 71307620
+                    },
+                    "PreviousTxnID": "70C2D1F863FBF18CA7E9B17D7B35A19BD5ED22C8B703D447A21C746E1F66F311",
+                    "PreviousTxnLgrSeq": 72374313
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "ExchangeRate": "4e0b7c2f29ac3197",
+                        "Flags": 0,
+                        "RootIndex": "DFA3B6DDAB58C7E8E5D944E736DA4B7046C30E4F460FD9DE4E0B7C2F29AC3197",
+                        "TakerGetsCurrency": "0000000000000000000000000000000000000000",
+                        "TakerGetsIssuer": "0000000000000000000000000000000000000000",
+                        "TakerPaysCurrency": "0000000000000000000000005553440000000000",
+                        "TakerPaysIssuer": "0A20B3C85F482532A9578DBB3950B85CA06594D1"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "DFA3B6DDAB58C7E8E5D944E736DA4B7046C30E4F460FD9DE4E0B7C2F29AC3197"
+                }
+            },
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "Offer",
+                    "LedgerIndex": "DFA50F8A0710C8483D5DEF31E87BFA5DBC617F16045EC187EB21A07B7A2B23DA",
+                    "NewFields": {
+                        "Account": "rJHbqhp9Sea4f43RoUanrDE1gW9MymTLp9",
+                        "BookDirectory": "DFA3B6DDAB58C7E8E5D944E736DA4B7046C30E4F460FD9DE4E0B7C2F29AC3197",
+                        "Expiration": 740218424,
+                        "Flags": 131072,
+                        "Sequence": 71307620,
+                        "TakerGets": "44930000",
+                        "TakerPays": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "14.524821"
+                        }
+                    }
+                }
+            }
+        ],
+        "TransactionIndex": 37,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/offer_partially_filled_and_filled.json b/src/utils/test_data/transaction_jsons/offer_partially_filled_and_filled.json
new file mode 100644
index 0000000..82efc8b
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/offer_partially_filled_and_filled.json
@@ -0,0 +1,391 @@
+{
+    "Account": "rogue5HnPRSszD9CWGSUz8UGHMVwSSKF6",
+    "Fee": "10",
+    "Flags": 655360,
+    "LastLedgerSequence": 69465967,
+    "Memos": [
+        {
+            "Memo": {
+                "MemoData": "FB440A33756EB27101D52DC01A097AABBC8852C104090CB53FF051EB851EB852406E000000000000406E99999999999A3FF0083126E978D5"
+            }
+        }
+    ],
+    "Sequence": 2978465,
+    "SigningPubKey": "ED3DC1A8262390DBA0E9926050A7BE377DFCC7937CC94C5F5F24E6BD97D677BA6C",
+    "TakerGets": {
+        "currency": "USD",
+        "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+        "value": "194.0900821202701"
+    },
+    "TakerPays": {
+        "currency": "USD",
+        "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+        "value": "179.9744397842505"
+    },
+    "TransactionType": "OfferCreate",
+    "TxnSignature": "45B6A5D968AC63BAF052BFCB68AEBB1C3AE0E2CAA30D8CB753D78CDD2E601748235374B8BF21C1ADF98095BCAA7206C584F6F42BB27D1EF0BDA3F2FB0FD58207",
+    "date": 697291341,
+    "hash": "CC7E314E86F40CA8342E991D1F20444B2889110988EB6E5674E219031B07A9D4",
+    "inLedger": 69465967,
+    "ledger_index": 69465967,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "IndexPrevious": "4",
+                        "Owner": "rNzgS71DyJPMnWMA8aS7NqvXP7bNuwyaZo",
+                        "RootIndex": "E5EDA666FF7FA049136BE952984ABDE9F59BD97C0EEFD1ADB93094E27047573A"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "091BE53F6AFE8089FCD573C96D0E3B7E9145FEA4057924EA298D950F7F667352"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-143.1629304840639"
+                        },
+                        "Flags": 2228224,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rPu2feBaViWGmWJhvaF5yLocTVD8FUxd2A",
+                            "value": "1000000000"
+                        },
+                        "HighNode": "0",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+                            "value": "0"
+                        },
+                        "LowNode": "1fce"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "14BE4365C33BE6BF6AF293C0CF48F8556037541C016DDF37A8AC71C028803206",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-260.7872232039884"
+                        }
+                    },
+                    "PreviousTxnID": "32DE54D6ADA7060BDED9407327C4401ADC2441A4D80A138654E808B5167C2466",
+                    "PreviousTxnLgrSeq": 69429668
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "181.1375018324144"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+                            "value": "0"
+                        },
+                        "HighNode": "26",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rogue5HnPRSszD9CWGSUz8UGHMVwSSKF6",
+                            "value": "100000"
+                        },
+                        "LowNode": "0"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "197E542413061266DC6995ADD18728149974484D717A415649AE12E89E297DA5",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0"
+                        }
+                    },
+                    "PreviousTxnID": "20D7FEEABCA8072B9F2662F3A23BF87483FEB8055EFBE95D857AE4BBB792D0B8",
+                    "PreviousTxnLgrSeq": 69465965
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-120.4655520405203"
+                        },
+                        "Flags": 2228224,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rPu2feBaViWGmWJhvaF5yLocTVD8FUxd2A",
+                            "value": "1000000000"
+                        },
+                        "HighNode": "0",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "0"
+                        },
+                        "LowNode": "991"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "1B0CE75F44E3498B444ACB80AA40E3212954BBD55D237205182612EA8998877F",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-5.377793518422876"
+                        }
+                    },
+                    "PreviousTxnID": "32DE54D6ADA7060BDED9407327C4401ADC2441A4D80A138654E808B5167C2466",
+                    "PreviousTxnLgrSeq": 69429668
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-32143.92279120974"
+                        },
+                        "Flags": 2228224,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rNzgS71DyJPMnWMA8aS7NqvXP7bNuwyaZo",
+                            "value": "1000000000"
+                        },
+                        "HighNode": "0",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+                            "value": "0"
+                        },
+                        "LowNode": "29d"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "3924BC09BEECCE4B411D17789803B66074F248365D70A9757A21478352D75383",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-32207.79827532589"
+                        }
+                    },
+                    "PreviousTxnID": "3778786185BB8335BB3B14258CAF060630EE91ACFC6B7362D5ED6333DC5B3109",
+                    "PreviousTxnLgrSeq": 69465965
+                }
+            },
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "Account": "rNzgS71DyJPMnWMA8aS7NqvXP7bNuwyaZo",
+                        "BookDirectory": "E8900917D0B37ED23351E4A7276E10B5BE987CCD4EA2A08A5422D10C4ECC8000",
+                        "BookNode": "0",
+                        "Flags": 131072,
+                        "OwnerNode": "5",
+                        "PreviousTxnID": "3778786185BB8335BB3B14258CAF060630EE91ACFC6B7362D5ED6333DC5B3109",
+                        "PreviousTxnLgrSeq": 69465965,
+                        "Sequence": 5931,
+                        "TakerGets": {
+                            "currency": "USD",
+                            "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+                            "value": "0"
+                        },
+                        "TakerPays": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "0"
+                        }
+                    },
+                    "LedgerEntryType": "Offer",
+                    "LedgerIndex": "80353A895BD8033894C868B6BCC01B8CA23FC12E82769122ECDAF9880BF31274",
+                    "PreviousFields": {
+                        "TakerGets": {
+                            "currency": "USD",
+                            "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+                            "value": "63.7479881398749"
+                        },
+                        "TakerPays": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "62.4730283770749"
+                        }
+                    }
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-8427.912727359367"
+                        },
+                        "Flags": 2228224,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rNzgS71DyJPMnWMA8aS7NqvXP7bNuwyaZo",
+                            "value": "1000000000"
+                        },
+                        "HighNode": "0",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "0"
+                        },
+                        "LowNode": "4af"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "9723C56F7296CD00954B197C97C2EEE149CA42542F025F067A0037B0D4734CE8",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "-8365.439698982293"
+                        }
+                    },
+                    "PreviousTxnID": "3778786185BB8335BB3B14258CAF060630EE91ACFC6B7362D5ED6333DC5B3109",
+                    "PreviousTxnLgrSeq": 69465965
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "0"
+                        },
+                        "HighNode": "326",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rogue5HnPRSszD9CWGSUz8UGHMVwSSKF6",
+                            "value": "10000000"
+                        },
+                        "LowNode": "0"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "CE8BC6520C7A30953A4AC6733394E6924DAA4C3CB16CFB9EAC02EA7494417D59",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "177.9159084729707"
+                        }
+                    },
+                    "PreviousTxnID": "F90D4CB0BBB7F1AAE3F221A062E616595ADBB636C0B0E60891A6EF880E083EB7",
+                    "PreviousTxnLgrSeq": 69465967
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rNzgS71DyJPMnWMA8aS7NqvXP7bNuwyaZo",
+                        "Balance": "24135271925",
+                        "Flags": 0,
+                        "MessageKey": "02000000000000000000000000C03555B48C4398613CE55C8B728FFF2C91265101",
+                        "OwnerCount": 34,
+                        "Sequence": 5936
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "E3795FE99A17BDE69DC0234FF295C811302E451B773A8D96EAAF3846628E8A43",
+                    "PreviousFields": {
+                        "OwnerCount": 35
+                    },
+                    "PreviousTxnID": "496EA410ACF2B767ADDB3781D55F2E514CD8B34A2B64ED732EE83236E072412F",
+                    "PreviousTxnLgrSeq": 69460853
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rogue5HnPRSszD9CWGSUz8UGHMVwSSKF6",
+                        "AccountTxnID": "CC7E314E86F40CA8342E991D1F20444B2889110988EB6E5674E219031B07A9D4",
+                        "Balance": "2487581399",
+                        "Flags": 0,
+                        "OwnerCount": 216,
+                        "Sequence": 2978466
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "E7C799A822859C2DC1CA293CB3136B6590628B19F81D5C7BA8752B49BB422E84",
+                    "PreviousFields": {
+                        "AccountTxnID": "F90D4CB0BBB7F1AAE3F221A062E616595ADBB636C0B0E60891A6EF880E083EB7",
+                        "Balance": "2487581409",
+                        "Sequence": 2978465
+                    },
+                    "PreviousTxnID": "F90D4CB0BBB7F1AAE3F221A062E616595ADBB636C0B0E60891A6EF880E083EB7",
+                    "PreviousTxnLgrSeq": 69465967
+                }
+            },
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "ExchangeRate": "5422d10c4ecc8000",
+                        "Flags": 0,
+                        "RootIndex": "E8900917D0B37ED23351E4A7276E10B5BE987CCD4EA2A08A5422D10C4ECC8000",
+                        "TakerGetsCurrency": "0000000000000000000000005553440000000000",
+                        "TakerGetsIssuer": "2ADB0B3959D60A6E6991F729E1918B7163925230",
+                        "TakerPaysCurrency": "0000000000000000000000005553440000000000",
+                        "TakerPaysIssuer": "0A20B3C85F482532A9578DBB3950B85CA06594D1"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "E8900917D0B37ED23351E4A7276E10B5BE987CCD4EA2A08A5422D10C4ECC8000"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rPu2feBaViWGmWJhvaF5yLocTVD8FUxd2A",
+                        "BookDirectory": "E8900917D0B37ED23351E4A7276E10B5BE987CCD4EA2A08A5422D49D5E80FAFB",
+                        "BookNode": "0",
+                        "Flags": 131072,
+                        "OwnerNode": "0",
+                        "Sequence": 67701941,
+                        "TakerGets": {
+                            "currency": "USD",
+                            "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+                            "value": "127.4104863074605"
+                        },
+                        "TakerPays": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "124.9122414779025"
+                        }
+                    },
+                    "LedgerEntryType": "Offer",
+                    "LedgerIndex": "FBF23A35CFD5CED0C995D78063D497F707A681737CB384BC90CD40B466D21F96",
+                    "PreviousFields": {
+                        "TakerGets": {
+                            "currency": "USD",
+                            "issuer": "rhub8VRN55s94qWKDv6jmDy1pUykJzF3wq",
+                            "value": "244.8"
+                        },
+                        "TakerPays": {
+                            "currency": "USD",
+                            "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
+                            "value": "240"
+                        }
+                    },
+                    "PreviousTxnID": "898C5F3A8060A3BFAF99D8F0762714D8224DCB2B7FC4F79A95A6A24E259E6FAF",
+                    "PreviousTxnLgrSeq": 69429769
+                }
+            }
+        ],
+        "TransactionIndex": 15,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/offer_with_expiration.json b/src/utils/test_data/transaction_jsons/offer_with_expiration.json
new file mode 100644
index 0000000..9f4ca0e
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/offer_with_expiration.json
@@ -0,0 +1,127 @@
+{
+    "Account": "rJHHRtt6qmiz71tyGFMZUoxMGakdgqEou5",
+    "Expiration": 708682061,
+    "Fee": "20",
+    "Flags": 0,
+    "LastLedgerSequence": 72374175,
+    "OfferSequence": 67782876,
+    "Sequence": 67782878,
+    "SigningPubKey": "026C5ACDB50D55179AF872ACAB51576DEBB309302FCF1E72889777EC77031F6ADC",
+    "TakerGets": "50000000",
+    "TakerPays": {
+        "currency": "457175696C69627269756D000000000000000000",
+        "issuer": "rpakCr61Q92abPXJnVboKENmpKssWyHpwu",
+        "value": "230.7776699646076"
+    },
+    "TransactionType": "OfferCreate",
+    "TxnSignature": "3044022054DFB5CF41AEA6E224FF5B9C91ACB80ED9544CE06BC3CA71F79BC63DEA9E7D8F0220669706DB65CDED48D4F93BFBD3013C3E03BBB13FE1211C90C6785BA72CADBBBA",
+    "date": 708681822,
+    "hash": "6BF848D3996143219272E868F47DD726240CBF4D9FA0F0FA2801CB9AACC79776",
+    "inLedger": 72374166,
+    "ledger_index": 72374166,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "Offer",
+                    "LedgerIndex": "02BAC5DA6C1E7476B6469A9AD560AB618ABC63C7AA1C2CCC55979555DAFFC91C",
+                    "NewFields": {
+                        "Account": "rJHHRtt6qmiz71tyGFMZUoxMGakdgqEou5",
+                        "BookDirectory": "8DFA6E78CAB715332FBF45CB8FCE3BF4FD55FF70592FD0A04F1065D244CE80F8",
+                        "Expiration": 708682061,
+                        "Sequence": 67782878,
+                        "TakerGets": "50000000",
+                        "TakerPays": {
+                            "currency": "457175696C69627269756D000000000000000000",
+                            "issuer": "rpakCr61Q92abPXJnVboKENmpKssWyHpwu",
+                            "value": "230.7776699646076"
+                        }
+                    }
+                }
+            },
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "Account": "rJHHRtt6qmiz71tyGFMZUoxMGakdgqEou5",
+                        "BookDirectory": "8DFA6E78CAB715332FBF45CB8FCE3BF4FD55FF70592FD0A04F1066F6B0C0BD2E",
+                        "BookNode": "0",
+                        "Expiration": 708682031,
+                        "Flags": 0,
+                        "OwnerNode": "0",
+                        "PreviousTxnID": "15F78285E2236EF8E7268D9BE0A2BD2341F702D979C4013D0FC5354CF5A70120",
+                        "PreviousTxnLgrSeq": 72374158,
+                        "Sequence": 67782876,
+                        "TakerGets": "50000000",
+                        "TakerPays": {
+                            "currency": "457175696C69627269756D000000000000000000",
+                            "issuer": "rpakCr61Q92abPXJnVboKENmpKssWyHpwu",
+                            "value": "230.8404670389911"
+                        }
+                    },
+                    "LedgerEntryType": "Offer",
+                    "LedgerIndex": "45C5FA82C61E7F01B191551E532A61187600FA63006A6C7727A450671B350AD4"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "Owner": "rJHHRtt6qmiz71tyGFMZUoxMGakdgqEou5",
+                        "RootIndex": "559D3DEC473D3BC0A503E38A8CFB632E17190F78763B96BC6A6D8A3B7360F1D0"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "559D3DEC473D3BC0A503E38A8CFB632E17190F78763B96BC6A6D8A3B7360F1D0"
+                }
+            },
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "8DFA6E78CAB715332FBF45CB8FCE3BF4FD55FF70592FD0A04F1065D244CE80F8",
+                    "NewFields": {
+                        "ExchangeRate": "4f1065d244ce80f8",
+                        "RootIndex": "8DFA6E78CAB715332FBF45CB8FCE3BF4FD55FF70592FD0A04F1065D244CE80F8",
+                        "TakerPaysCurrency": "457175696C69627269756D000000000000000000",
+                        "TakerPaysIssuer": "0C0EA5B382100A2405ADD5A93ECE617FAEEE156D"
+                    }
+                }
+            },
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "ExchangeRate": "4f1066f6b0c0bd2e",
+                        "Flags": 0,
+                        "RootIndex": "8DFA6E78CAB715332FBF45CB8FCE3BF4FD55FF70592FD0A04F1066F6B0C0BD2E",
+                        "TakerGetsCurrency": "0000000000000000000000000000000000000000",
+                        "TakerGetsIssuer": "0000000000000000000000000000000000000000",
+                        "TakerPaysCurrency": "457175696C69627269756D000000000000000000",
+                        "TakerPaysIssuer": "0C0EA5B382100A2405ADD5A93ECE617FAEEE156D"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "8DFA6E78CAB715332FBF45CB8FCE3BF4FD55FF70592FD0A04F1066F6B0C0BD2E"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rJHHRtt6qmiz71tyGFMZUoxMGakdgqEou5",
+                        "Balance": "207351731",
+                        "Flags": 0,
+                        "OwnerCount": 5,
+                        "Sequence": 67782879
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "CD5FFCEA88A52BBD0559E3EFE0B5D385D447B088477B36948A3DF019874E76E6",
+                    "PreviousFields": {
+                        "Balance": "207351751",
+                        "Sequence": 67782878
+                    },
+                    "PreviousTxnID": "AFB25623792838FFF9D59E5E24E812E335D467CD75602DE81F2875CD4E869922",
+                    "PreviousTxnLgrSeq": 72374158
+                }
+            }
+        ],
+        "TransactionIndex": 33,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/payment_iou.json b/src/utils/test_data/transaction_jsons/payment_iou.json
new file mode 100644
index 0000000..1e8e1f7
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/payment_iou.json
@@ -0,0 +1,123 @@
+{
+    "engine_result": "tesSUCCESS",
+    "engine_result_code": 0,
+    "engine_result_message": "The transaction was applied.",
+    "ledger_hash": "F3F1416BF2E813396AB01FAA38E9F1023AC4D2368D94B0D52B2BC603CEEC01C3",
+    "ledger_index": 10459371,
+    "status": "closed",
+    "type": "transaction",
+    "validated": true,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.525330905250352"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001E8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+                            "value": "1000000000"
+                        },
+                        "LowNode": "0000000000000000"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "2F323020B4288ACD4066CC64C89DAD2E4D5DFC2D44571942A51C005BF79D6E25",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.535330905250352"
+                        }
+                    },
+                    "PreviousTxnID": "DC061E6F47B1B6E9A496A31B1AF87194B4CB24B2EBF8A59F35E31E12509238BD",
+                    "PreviousTxnLgrSeq": 10459364
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0.02"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001E8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "1000000000"
+                        },
+                        "LowNode": "0000000000000000"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "AAE13AF5192EFBFD49A8EEE5869595563FEB73228C0B38FED9CC3D20EE74F399",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0.01"
+                        }
+                    },
+                    "PreviousTxnID": "DC061E6F47B1B6E9A496A31B1AF87194B4CB24B2EBF8A59F35E31E12509238BD",
+                    "PreviousTxnLgrSeq": 10459364
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+                        "Balance": "239555992",
+                        "Flags": 0,
+                        "OwnerCount": 1,
+                        "Sequence": 38
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "E9A39B0BA8703D5FFD05D9EAD01EE6C0E7A15CF33C2C6B7269107BD2BD535818",
+                    "PreviousFields": {
+                        "Balance": "239567992",
+                        "Sequence": 37
+                    },
+                    "PreviousTxnID": "DC061E6F47B1B6E9A496A31B1AF87194B4CB24B2EBF8A59F35E31E12509238BD",
+                    "PreviousTxnLgrSeq": 10459364
+                }
+            }
+        ],
+        "TransactionIndex": 2,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "transaction": {
+        "Account": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+        "Amount": {
+            "currency": "USD",
+            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+            "value": "0.01"
+        },
+        "Destination": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+        "Fee": "12000",
+        "Flags": 2147483648,
+        "LastLedgerSequence": 10459379,
+        "Sequence": 37,
+        "SigningPubKey": "03F16A52EBDCA6EBF5D99828E1E6918C64D45E6F136476A8F4757512FE553D18F0",
+        "TransactionType": "Payment",
+        "TxnSignature": "3044022031D6AB55CDFD17E06DA0BAD6D6B7DC9B5CA8FFF50405F2FCD3ED8D3893B1835E02200524CC1E7D70AE3F00C9F94405C55EE179C363F534905168AE8B5BA01CF568A0",
+        "date": 471644150,
+        "hash": "34671C179737CC89E0F8BBAA83C313885ED1733488FC0F3088BAE16A3D9A5B1B"
+    }
+}
diff --git a/src/utils/test_data/transaction_jsons/payment_iou_destination_no_balance.json b/src/utils/test_data/transaction_jsons/payment_iou_destination_no_balance.json
new file mode 100644
index 0000000..561cf00
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/payment_iou_destination_no_balance.json
@@ -0,0 +1,121 @@
+    {
+    "Account": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+    "Amount": {
+        "currency": "USD",
+        "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+        "value": "0.01"
+    },
+    "Destination": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+    "Fee": "12000",
+    "Flags": 2147483648,
+    "LastLedgerSequence": 10425102,
+    "Sequence": 16,
+    "SigningPubKey": "03F16A52EBDCA6EBF5D99828E1E6918C64D45E6F136476A8F4757512FE553D18F0",
+    "TransactionType": "Payment",
+    "TxnSignature": "3044022017DC45606103FF2CCE5D63E340D1E2B302BE16C206673B99712058CA0DBD2CC5022074A19CF5AF9CDFCEC821650A4C22E83E49E14956E1F2A094181E8E14F6881200",
+    "date": 471494760,
+    "hash": "D038C9D95926EACAA9FBDF3E6CA0675ACF1700B3CE13FF4CA52B463B58860BBA",
+    "inLedger": 10425094,
+    "ledger_index": 10425094,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.535330905250352"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "1e8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+                            "value": "1000000000"
+                        },
+                        "LowNode": "0"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "2F323020B4288ACD4066CC64C89DAD2E4D5DFC2D44571942A51C005BF79D6E25",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.545330905250352"
+                        }
+                    },
+                    "PreviousTxnID": "CEB7B6040C2989B9849C8D7E49F710457EDDE1D95ECDF1E298FD30CF2AC5BE11",
+                    "PreviousTxnLgrSeq": 10424776
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0.01"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "1e8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "1000000000"
+                        },
+                        "LowNode": "0"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "AAE13AF5192EFBFD49A8EEE5869595563FEB73228C0B38FED9CC3D20EE74F399",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0"
+                        }
+                    },
+                    "PreviousTxnID": "A788447CF5FD7108CBF49416E2335F95ED3F5A9FC016686C8F9EFB34BBEA613A",
+                    "PreviousTxnLgrSeq": 10425088
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+                        "Balance": "239807992",
+                        "Flags": 0,
+                        "OwnerCount": 1,
+                        "Sequence": 17
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "E9A39B0BA8703D5FFD05D9EAD01EE6C0E7A15CF33C2C6B7269107BD2BD535818",
+                    "PreviousFields": {
+                        "Balance": "239819992",
+                        "Sequence": 16
+                    },
+                    "PreviousTxnID": "3109F5A0F891CCA20B4D891EB7437973F40A7664C5176092EB2E5C0A949992AD",
+                    "PreviousTxnLgrSeq": 10424942
+                }
+            }
+        ],
+        "TransactionIndex": 3,
+        "TransactionResult": "tesSUCCESS",
+        "delivered_amount": {
+            "currency": "USD",
+            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+            "value": "0.01"
+        }
+    },
+    "validated": true
+    }
diff --git a/src/utils/test_data/transaction_jsons/payment_iou_multipath.json b/src/utils/test_data/transaction_jsons/payment_iou_multipath.json
new file mode 100644
index 0000000..ef451b1
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/payment_iou_multipath.json
@@ -0,0 +1,285 @@
+{
+   "Account": "r4nmQNH4Fhjfh6cHDbvVSsBv7KySbj4cBf",
+   "Amount": {
+       "currency": "USD",
+       "issuer": "rnYDWQaRdMb5neCGgvFfhw3MBoxmv5LtfH",
+       "value": "300"
+   },
+   "Destination": "rnYDWQaRdMb5neCGgvFfhw3MBoxmv5LtfH",
+   "Fee": "10",
+   "Flags": 0,
+   "Paths": [
+       [
+           {
+               "account": "rJsaPnGdeo7BhMnHjuc3n44Mf7Ra1qkSVJ",
+               "currency": "USD",
+               "issuer": "rJsaPnGdeo7BhMnHjuc3n44Mf7Ra1qkSVJ",
+               "type": 49,
+               "type_hex": "0000000000000031"
+           }
+       ],
+       [
+           {
+               "account": "rGpeQzUWFu4fMhJHZ1Via5aqFC3A5twZUD",
+               "currency": "USD",
+               "issuer": "rGpeQzUWFu4fMhJHZ1Via5aqFC3A5twZUD",
+               "type": 49,
+               "type_hex": "0000000000000031"
+           }
+       ],
+       [
+           {
+               "account": "rrnsYgWn13Z28GtRgznrSUsLfMkvsXCZSu",
+               "currency": "USD",
+               "issuer": "rrnsYgWn13Z28GtRgznrSUsLfMkvsXCZSu",
+               "type": 49,
+               "type_hex": "0000000000000031"
+           }
+       ]
+   ],
+   "Sequence": 4,
+   "SigningPubKey": "0324CAAFA2212D2AEAB9D42D481535614AED486293E1FB1380FF070C3DD7FB4264",
+   "TransactionType": "Payment",
+   "TxnSignature": "3044022007192E2113C236D541BA72FE628F2BDAA467120F3F61F588B63023E4EAE79E06022051813E7809F3DB07B29AEA65D61C1DD1B830C130840A15A67718ADC6FD94C44B",
+   "date": 472608260,
+   "hash": "029E6CF9C7962A324BD52A90732184991309DD964E7E8B2D52CAF138CB92CB29",
+   "inLedger": 8,
+   "ledger_index": 8,
+   "meta": {
+       "AffectedNodes": [
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "0"
+                       },
+                       "Flags": 131072,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "r4nmQNH4Fhjfh6cHDbvVSsBv7KySbj4cBf",
+                           "value": "100"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rrnsYgWn13Z28GtRgznrSUsLfMkvsXCZSu",
+                           "value": "0"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "1AC76982771D3660656D83FA7CCE8E833C42DA797BECAAB30F36D6EEF73BE91B",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "-100"
+                       }
+                   },
+                   "PreviousTxnID": "5E732D1DCC74EC0A5658FADC3B0FF7BBDDB83F630A04527A82DB671B04180FAD",
+                   "PreviousTxnLgrSeq": 5
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Account": "r4nmQNH4Fhjfh6cHDbvVSsBv7KySbj4cBf",
+                       "Balance": "999999990",
+                       "Flags": 0,
+                       "OwnerCount": 3,
+                       "Sequence": 5
+                   },
+                   "LedgerEntryType": "AccountRoot",
+                   "LedgerIndex": "5302F37F1D9290D8D92A31651FF71531504183695C2C43EC136B1CF4AC7E08FA",
+                   "PreviousFields": {
+                       "Balance": "1000000000",
+                       "Sequence": 4
+                   },
+                   "PreviousTxnID": "60357254ABC66B61EA9B13851A2862B55D7B5CF4EBE1D5682E95EBE217037B3A",
+                   "PreviousTxnLgrSeq": 4
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "0"
+                       },
+                       "Flags": 131072,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "r4nmQNH4Fhjfh6cHDbvVSsBv7KySbj4cBf",
+                           "value": "100"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rJsaPnGdeo7BhMnHjuc3n44Mf7Ra1qkSVJ",
+                           "value": "0"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "9D9CE283FB821F2A2DA5BCA55DFB2FD7758D129F3060B1F7834B7784AF4CD15C",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "-100"
+                       }
+                   },
+                   "PreviousTxnID": "84EE2961C88A4B87A0F234CDF4C66BB488781DA2FF823814381473B40875C2AA",
+                   "PreviousTxnLgrSeq": 5
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "0"
+                       },
+                       "Flags": 131072,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "r4nmQNH4Fhjfh6cHDbvVSsBv7KySbj4cBf",
+                           "value": "100"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rGpeQzUWFu4fMhJHZ1Via5aqFC3A5twZUD",
+                           "value": "0"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "C5F104A35DB835AF4A4C4664BCDA57A88873DCEF23DF567485654FAEE5645949",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "-100"
+                       }
+                   },
+                   "PreviousTxnID": "CC0817117A0C9055E26FB2E482AC0EF8B4321D874D55428F5F22DEAEE18E0931",
+                   "PreviousTxnLgrSeq": 5
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "100"
+                       },
+                       "Flags": 65536,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "rJsaPnGdeo7BhMnHjuc3n44Mf7Ra1qkSVJ",
+                           "value": "0"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rnYDWQaRdMb5neCGgvFfhw3MBoxmv5LtfH",
+                           "value": "1000"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "CC07E55B7114FAD14663E5BDD16458E3EFA300C2C139E4E0FC9E2635E3D8099E",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "0"
+                       }
+                   },
+                   "PreviousTxnID": "8A8DE047F4A1886A2A1E8231AE3D66D162BA0ADD00B781CAAFF946F104474E63",
+                   "PreviousTxnLgrSeq": 4
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "-100"
+                       },
+                       "Flags": 131072,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "rnYDWQaRdMb5neCGgvFfhw3MBoxmv5LtfH",
+                           "value": "1000"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rrnsYgWn13Z28GtRgznrSUsLfMkvsXCZSu",
+                           "value": "0"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "FBCA655A6C287E90234BF96E8CF950B8B0DE4438C95F408A0E55D256EA2A8DD1",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "0"
+                       }
+                   },
+                   "PreviousTxnID": "CDF04C313E841ACA1103B3E2D360E5EB18236808D281B645A2BC72426FDC8EA6",
+                   "PreviousTxnLgrSeq": 4
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "100"
+                       },
+                       "Flags": 65536,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "rGpeQzUWFu4fMhJHZ1Via5aqFC3A5twZUD",
+                           "value": "0"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rnYDWQaRdMb5neCGgvFfhw3MBoxmv5LtfH",
+                           "value": "1000"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "FDBBB8BF83FF697C7F68E67AAA06A9E0774CB2727B53E95E63B6416AF0B1A2A7",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "0"
+                       }
+                   },
+                   "PreviousTxnID": "8BF77D4762500ED72F291B19D75489397EBF23D870C975B33B3C114E54F36740",
+                   "PreviousTxnLgrSeq": 4
+               }
+           }
+       ],
+       "TransactionIndex": 0,
+       "TransactionResult": "tesSUCCESS"
+   },
+   "status": "success",
+   "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/payment_iou_redeem.json b/src/utils/test_data/transaction_jsons/payment_iou_redeem.json
new file mode 100644
index 0000000..8724829
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/payment_iou_redeem.json
@@ -0,0 +1,81 @@
+{
+   "Account": "rPMh7Pi9ct699iZUTWaytJUoHcJ7cgyziK",
+   "Amount": {
+       "currency": "USD",
+       "issuer": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+       "value": "100"
+   },
+   "Destination": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+   "Fee": "10",
+   "Flags": 2147483648,
+   "Sequence": 2,
+   "SigningPubKey": "02691AC5AE1C4C333AE5DF8A93BDC495F0EEBFC6DB0DA7EB6EF808F3AFC006E3FE",
+   "TransactionType": "Payment",
+   "TxnSignature": "304402205523DC0073C7F7DB92765367526A7A2CF1B6E2A42C6B102E96F58FC69689CBF60220371264F1472C6694F8453506503351B256722274CE1324E2B3B1885C18485D59",
+   "date": 472366860,
+   "hash": "44AA46A2728AD7A7E856B27D8815D935D174F63CAA60E4BD90C5CC74D440E753",
+   "inLedger": 6,
+   "ledger_index": 6,
+   "meta": {
+       "AffectedNodes": [
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "-100"
+                       },
+                       "Flags": 131072,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "rPMh7Pi9ct699iZUTWaytJUoHcJ7cgyziK",
+                           "value": "500"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+                           "value": "0"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "88DA36A0E2F92E2E3504DC7936FDB719769486A6BE1BEC4F1E3B580538D28B4A",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "-200"
+                       }
+                   },
+                   "PreviousTxnID": "C0AA2D9C82E68C06F81340B633D36EA983A834F6377FA18139D4EE7AA6A2973D",
+                   "PreviousTxnLgrSeq": 5
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Account": "rPMh7Pi9ct699iZUTWaytJUoHcJ7cgyziK",
+                       "Balance": "999999980",
+                       "Flags": 0,
+                       "OwnerCount": 1,
+                       "Sequence": 3
+                   },
+                   "LedgerEntryType": "AccountRoot",
+                   "LedgerIndex": "DE3BE7FDF6864FB024807B36BFCB4607E7CDA7D4C155C7AFB4B0973D638938BF",
+                   "PreviousFields": {
+                       "Balance": "999999990",
+                       "Sequence": 2
+                   },
+                   "PreviousTxnID": "88CD25B9BF28097156E1EA79281994FFD002EE3D3F67E99ED791C38DA3967CB6",
+                   "PreviousTxnLgrSeq": 4
+               }
+           }
+       ],
+       "TransactionIndex": 0,
+       "TransactionResult": "tesSUCCESS"
+   },
+   "status": "success",
+   "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/payment_iou_redeem_then_issue.json b/src/utils/test_data/transaction_jsons/payment_iou_redeem_then_issue.json
new file mode 100644
index 0000000..a6a4c1f
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/payment_iou_redeem_then_issue.json
@@ -0,0 +1,81 @@
+{
+   "Account": "rPMh7Pi9ct699iZUTWaytJUoHcJ7cgyziK",
+   "Amount": {
+       "currency": "USD",
+       "issuer": "rPMh7Pi9ct699iZUTWaytJUoHcJ7cgyziK",
+       "value": "200"
+   },
+   "Destination": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+   "Fee": "10",
+   "Flags": 2147483648,
+   "Sequence": 3,
+   "SigningPubKey": "02691AC5AE1C4C333AE5DF8A93BDC495F0EEBFC6DB0DA7EB6EF808F3AFC006E3FE",
+   "TransactionType": "Payment",
+   "TxnSignature": "304402207068EDB074FE388DB198A5D3B51A2846BB937F76F558D2D9245B11A20DFD5DAF022055A5B5D65C637A34C48361AFD0E97780D6FAED98A4221CE0838EE3598C0EECDE",
+   "date": 472374260,
+   "hash": "8EE52E8CC50AB0841A34E755E882BBC50F855A750AC954D7E7050E71672BE77E",
+   "inLedger": 8,
+   "ledger_index": 8,
+   "meta": {
+       "AffectedNodes": [
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "100"
+                       },
+                       "Flags": 196608,
+                       "HighLimit": {
+                           "currency": "USD",
+                           "issuer": "rPMh7Pi9ct699iZUTWaytJUoHcJ7cgyziK",
+                           "value": "500"
+                       },
+                       "HighNode": "0000000000000000",
+                       "LowLimit": {
+                           "currency": "USD",
+                           "issuer": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
+                           "value": "500"
+                       },
+                       "LowNode": "0000000000000000"
+                   },
+                   "LedgerEntryType": "RippleState",
+                   "LedgerIndex": "88DA36A0E2F92E2E3504DC7936FDB719769486A6BE1BEC4F1E3B580538D28B4A",
+                   "PreviousFields": {
+                       "Balance": {
+                           "currency": "USD",
+                           "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                           "value": "-100"
+                       }
+                   },
+                   "PreviousTxnID": "951C7AB715ECF4E2B2254F336D9529783AE924E8B4784884E45EA0697ED78B61",
+                   "PreviousTxnLgrSeq": 7
+               }
+           },
+           {
+               "ModifiedNode": {
+                   "FinalFields": {
+                       "Account": "rPMh7Pi9ct699iZUTWaytJUoHcJ7cgyziK",
+                       "Balance": "999999970",
+                       "Flags": 0,
+                       "OwnerCount": 1,
+                       "Sequence": 4
+                   },
+                   "LedgerEntryType": "AccountRoot",
+                   "LedgerIndex": "DE3BE7FDF6864FB024807B36BFCB4607E7CDA7D4C155C7AFB4B0973D638938BF",
+                   "PreviousFields": {
+                       "Balance": "999999980",
+                       "Sequence": 3
+                   },
+                   "PreviousTxnID": "8D380F8548020FAF6CD42D0E9EDA92B51D4D7DDC4327644893CA1F24688F3715",
+                   "PreviousTxnLgrSeq": 6
+               }
+           }
+       ],
+       "TransactionIndex": 0,
+       "TransactionResult": "tesSUCCESS"
+   },
+   "status": "success",
+   "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/payment_iou_spend_full_balance.json b/src/utils/test_data/transaction_jsons/payment_iou_spend_full_balance.json
new file mode 100644
index 0000000..a3f8dcd
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/payment_iou_spend_full_balance.json
@@ -0,0 +1,123 @@
+{
+    "engine_result": "tesSUCCESS",
+    "engine_result_code": 0,
+    "engine_result_message": "The transaction was applied.",
+    "ledger_hash": "605F02CC71269E0C3253FC582503D0A69533DF9E744F1613CB132A67261527F2",
+    "ledger_index": 10458307,
+    "status": "closed",
+    "type": "transaction",
+    "validated": true,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.545330905250352"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001E8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+                            "value": "1000000000"
+                        },
+                        "LowNode": "0000000000000000"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "2F323020B4288ACD4066CC64C89DAD2E4D5DFC2D44571942A51C005BF79D6E25",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.345330905250352"
+                        }
+                    },
+                    "PreviousTxnID": "24525F80080EAC8857F1A29A47AEF23FD2B0A52DAF7DC3900A4E31831187FCB1",
+                    "PreviousTxnLgrSeq": 10443886
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001E8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "1000000000"
+                        },
+                        "LowNode": "0000000000000000"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "AAE13AF5192EFBFD49A8EEE5869595563FEB73228C0B38FED9CC3D20EE74F399",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0.2"
+                        }
+                    },
+                    "PreviousTxnID": "24525F80080EAC8857F1A29A47AEF23FD2B0A52DAF7DC3900A4E31831187FCB1",
+                    "PreviousTxnLgrSeq": 10443886
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "Balance": "99976002",
+                        "Flags": 0,
+                        "OwnerCount": 1,
+                        "Sequence": 3
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "C24354B286600B8F28E51233B4AC41A3B4DDD0FDC9BCF96BB171573F6B40A4AE",
+                    "PreviousFields": {
+                        "Balance": "99988002",
+                        "Sequence": 2
+                    },
+                    "PreviousTxnID": "A788447CF5FD7108CBF49416E2335F95ED3F5A9FC016686C8F9EFB34BBEA613A",
+                    "PreviousTxnLgrSeq": 10425088
+                }
+            }
+        ],
+        "TransactionIndex": 3,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "transaction": {
+        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+        "Amount": {
+            "currency": "USD",
+            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+            "value": "0.2"
+        },
+        "Destination": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+        "Fee": "12000",
+        "Flags": 2147483648,
+        "LastLedgerSequence": 10458314,
+        "Sequence": 2,
+        "SigningPubKey": "039371D0465097AC8F9C02EB60D5599AAD08AADBD623D6D40D642CF2D7C0481B83",
+        "TransactionType": "Payment",
+        "TxnSignature": "304502210097A62D87FF08A050F1832B974F06FB4F0C83F6661CC916AE190A439C8DB3863202204CD27C5C6A9067BA5A1DA9BB940FDF3F7C6B073225911E567B1E37E9C29E99D4",
+        "date": 471639670,
+        "hash": "5AC7632779C3AE649236F728C2C6811D7ADDE6CCC5018B8754C6EB953FCB1BC5"
+    }
+}
diff --git a/src/utils/test_data/transaction_jsons/payment_xrp_create_account.json b/src/utils/test_data/transaction_jsons/payment_xrp_create_account.json
new file mode 100644
index 0000000..81807c4
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/payment_xrp_create_account.json
@@ -0,0 +1,60 @@
+{
+    "engine_result": "tesSUCCESS",
+    "engine_result_code": 0,
+    "engine_result_message": "The transaction was applied.",
+    "ledger_hash": "5FA9BBBE9EF6CE4BF9BB56CC3A70106C1475EA4C02EDE26651710FAA46E81F60",
+    "ledger_index": 10424084,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "C24354B286600B8F28E51233B4AC41A3B4DDD0FDC9BCF96BB171573F6B40A4AE",
+                    "NewFields": {
+                        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "Balance": "100000000",
+                        "Sequence": 1
+                    }
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+                        "Balance": "339903994",
+                        "Flags": 0,
+                        "OwnerCount": 0,
+                        "Sequence": 9
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "E9A39B0BA8703D5FFD05D9EAD01EE6C0E7A15CF33C2C6B7269107BD2BD535818",
+                    "PreviousFields": {
+                        "Balance": "439915994",
+                        "Sequence": 8
+                    },
+                    "PreviousTxnID": "0E6CF1A13C6A804BE50B08C1D0446C7405D8461254CC6B62337CA9FEA4DF13EC",
+                    "PreviousTxnLgrSeq": 10424064
+                }
+            }
+        ],
+        "TransactionIndex": 3,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "status": "closed",
+    "transaction": {
+        "Account": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+        "Amount": "100000000",
+        "Destination": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+        "Fee": "12000",
+        "Flags": 2147483648,
+        "LastLedgerSequence": 10424091,
+        "Sequence": 8,
+        "SigningPubKey": "03F16A52EBDCA6EBF5D99828E1E6918C64D45E6F136476A8F4757512FE553D18F0",
+        "TransactionType": "Payment",
+        "TxnSignature": "304402207676FE35FF0D01E01F13531760658ADECC493181A4EF618A970E4C209FC989C102206660147F17B46469864E9E10152844C4DA62363DB70B5F610E6DAEA87A6781A9",
+        "date": 471490400,
+        "hash": "43CAAC76C95358CA2F84EA8BF5BFC327B90B21039A3C69EC4EAC7FEDC54CDB9F"
+    },
+    "type": "transaction",
+    "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/trustline_create.json b/src/utils/test_data/transaction_jsons/trustline_create.json
new file mode 100644
index 0000000..ca23820
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/trustline_create.json
@@ -0,0 +1,108 @@
+{
+    "engine_result": "tesSUCCESS",
+    "engine_result_code": 0,
+    "engine_result_message": "The transaction was applied.",
+    "ledger_hash": "CA4C25E271FDB00836A091E8073F6692784BEB116B33675533F9511B17FC2B72",
+    "ledger_index": 10483144,
+    "status": "closed",
+    "type": "transaction",
+    "validated": true,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "IndexPrevious": "00000000000001F1",
+                        "Owner": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                        "RootIndex": "6319526CE8F9A8A44D7A870A89DC1B4AD848AA4F066FCB5390A9A268F6E16AEA"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "58E06162628C5E2292DA172A97573FA5613C4A223810686428BF8431B3D67C58"
+                }
+            },
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "84C8F98961F2F10CB1B5C4FB649C18B05A9D3FC20C3A78B75C86CD30D7EAC39C",
+                    "NewFields": {
+                        "Owner": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "RootIndex": "84C8F98961F2F10CB1B5C4FB649C18B05A9D3FC20C3A78B75C86CD30D7EAC39C"
+                    }
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "A3C1529122C3DBD6C96B9DF009FF4896023FE6B4E05A508B1E81F3DCD9A6274B",
+                    "PreviousTxnID": "CA4BD65D1E29552B17041B219105E1BC0FE00837C798DE9F9E2EA670097ACE33",
+                    "PreviousTxnLgrSeq": 10483128
+                }
+            },
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "AAE13AF5192EFBFD49A8EEE5869595563FEB73228C0B38FED9CC3D20EE74F399",
+                    "NewFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "10"
+                        },
+                        "Flags": 65536,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001F2",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "100"
+                        }
+                    }
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "Balance": "99740302",
+                        "Flags": 0,
+                        "OwnerCount": 1,
+                        "Sequence": 23
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "C24354B286600B8F28E51233B4AC41A3B4DDD0FDC9BCF96BB171573F6B40A4AE",
+                    "PreviousFields": {
+                        "Balance": "99752302",
+                        "OwnerCount": 0,
+                        "Sequence": 22
+                    },
+                    "PreviousTxnID": "8A3F4CA1D349B4BE896DFDED6B6D0F0DCA4FCA75E082C30A4175813DDB9BCDA6",
+                    "PreviousTxnLgrSeq": 10482869
+                }
+            }
+        ],
+        "TransactionIndex": 10,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "transaction": {
+        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+        "Fee": "12000",
+        "Flags": 2147483648,
+        "LastLedgerSequence": 10483152,
+        "LimitAmount": {
+            "currency": "USD",
+            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+            "value": "100"
+        },
+        "Sequence": 22,
+        "SigningPubKey": "039371D0465097AC8F9C02EB60D5599AAD08AADBD623D6D40D642CF2D7C0481B83",
+        "TransactionType": "TrustSet",
+        "TxnSignature": "3044022048862FBF688AFFA81E8A08DB08C2559BB5D7E935B5E4597EE6ADF2E901BC9A6402200B7CDBAD2001CB9797AD56E22D9DA1C23F7F5DC1BB8DB22F013DEE78EAC46BE4",
+        "date": 471748760,
+        "hash": "8375C1ED96BB4DD66FD697F34755F9B03DB62CD098627B834028728670CF93EF"
+    }
+}
diff --git a/src/utils/test_data/transaction_jsons/trustline_delete.json b/src/utils/test_data/transaction_jsons/trustline_delete.json
new file mode 100644
index 0000000..6419d94
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/trustline_delete.json
@@ -0,0 +1,156 @@
+{
+    "engine_result": "tesSUCCESS",
+    "engine_result_code": 0,
+    "engine_result_message": "The transaction was applied.",
+    "ledger_hash": "BFD12A293442E8C083A98092C7A8A199A3732B2360643E40BB8704DE3DF8EA5E",
+    "ledger_index": 10482869,
+    "status": "closed",
+    "type": "transaction",
+    "validated": true,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.545330905250352"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001E8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+                            "value": "1000000000"
+                        },
+                        "LowNode": "0000000000000000"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "2F323020B4288ACD4066CC64C89DAD2E4D5DFC2D44571942A51C005BF79D6E25",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "1.525330905250352"
+                        }
+                    },
+                    "PreviousTxnID": "D1B2B5508585E1BB48E1D76629C59F6368AAB9568457D058486DCC4DCAECCE30",
+                    "PreviousTxnLgrSeq": 10482855
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "IndexPrevious": "00000000000001F1",
+                        "Owner": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                        "RootIndex": "6319526CE8F9A8A44D7A870A89DC1B4AD848AA4F066FCB5390A9A268F6E16AEA"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "58E06162628C5E2292DA172A97573FA5613C4A223810686428BF8431B3D67C58"
+                }
+            },
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "Owner": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "RootIndex": "84C8F98961F2F10CB1B5C4FB649C18B05A9D3FC20C3A78B75C86CD30D7EAC39C"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "84C8F98961F2F10CB1B5C4FB649C18B05A9D3FC20C3A78B75C86CD30D7EAC39C"
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "A3C1529122C3DBD6C96B9DF009FF4896023FE6B4E05A508B1E81F3DCD9A6274B",
+                    "PreviousTxnID": "758E69A2A2F5E7713ACCA70DC82DD89D7B45B9E020A7E19B9312F0C49A8834BA",
+                    "PreviousTxnLgrSeq": 10482869
+                }
+            },
+            {
+                "DeletedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0"
+                        },
+                        "Flags": 0,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001F2",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "0"
+                        },
+                        "LowNode": "0000000000000000",
+                        "PreviousTxnID": "CA491349DAF4D4EB1E5D2EF1DD4BBC84640C22B4C94C3C9AD40B190151A7878B",
+                        "PreviousTxnLgrSeq": 10482862
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "AAE13AF5192EFBFD49A8EEE5869595563FEB73228C0B38FED9CC3D20EE74F399",
+                    "PreviousFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0.02"
+                        },
+                        "Flags": 65536
+                    }
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "Balance": "99752302",
+                        "Flags": 0,
+                        "OwnerCount": 0,
+                        "Sequence": 22
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "C24354B286600B8F28E51233B4AC41A3B4DDD0FDC9BCF96BB171573F6B40A4AE",
+                    "PreviousFields": {
+                        "Balance": "99764302",
+                        "OwnerCount": 1,
+                        "Sequence": 21
+                    },
+                    "PreviousTxnID": "CA491349DAF4D4EB1E5D2EF1DD4BBC84640C22B4C94C3C9AD40B190151A7878B",
+                    "PreviousTxnLgrSeq": 10482862
+                }
+            }
+        ],
+        "TransactionIndex": 9,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "transaction": {
+        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+        "Amount": {
+            "currency": "USD",
+            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+            "value": "0.02"
+        },
+        "Destination": "rKmBGxocj9Abgy25J51Mk1iqFzW9aVF9Tc",
+        "Fee": "12000",
+        "Flags": 2147483648,
+        "LastLedgerSequence": 10482877,
+        "Sequence": 21,
+        "SigningPubKey": "039371D0465097AC8F9C02EB60D5599AAD08AADBD623D6D40D642CF2D7C0481B83",
+        "TransactionType": "Payment",
+        "TxnSignature": "3045022100E718DDE0149F89CF58FAD1847ED7AD9D61D833E07969A71FA7918D2F6D414AAE022041226ADCB68C2B64CA37AAB4C268922F2EE09DFBF8B234B282E9104643C6351D",
+        "date": 471747550,
+        "hash": "8A3F4CA1D349B4BE896DFDED6B6D0F0DCA4FCA75E082C30A4175813DDB9BCDA6"
+    }
+}
diff --git a/src/utils/test_data/transaction_jsons/trustline_set_limit.json b/src/utils/test_data/transaction_jsons/trustline_set_limit.json
new file mode 100644
index 0000000..c926b72
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/trustline_set_limit.json
@@ -0,0 +1,87 @@
+{
+    "engine_result": "tesSUCCESS",
+    "engine_result_code": 0,
+    "engine_result_message": "The transaction was applied.",
+    "ledger_hash": "BB1814E087367EB56D7EBF0DB99481291894A53FF8B155511C6CC45D57F42E27",
+    "ledger_index": 10479523,
+    "status": "closed",
+    "type": "transaction",
+    "validated": true,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0.02"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001E8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "200"
+                        },
+                        "LowNode": "0000000000000000"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "AAE13AF5192EFBFD49A8EEE5869595563FEB73228C0B38FED9CC3D20EE74F399",
+                    "PreviousFields": {
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "100"
+                        }
+                    },
+                    "PreviousTxnID": "A9A654F03855FEBD714E49B2C190A62C310081339AA0AA49C38F0B734E81C173",
+                    "PreviousTxnLgrSeq": 10479514
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "Balance": "99884302",
+                        "Flags": 0,
+                        "OwnerCount": 1,
+                        "Sequence": 11
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "C24354B286600B8F28E51233B4AC41A3B4DDD0FDC9BCF96BB171573F6B40A4AE",
+                    "PreviousFields": {
+                        "Balance": "99896302",
+                        "Sequence": 10
+                    },
+                    "PreviousTxnID": "BD850F01540CE35B68C1125E2055BBFEEF961D65AEFBC0CE39CF814685144117",
+                    "PreviousTxnLgrSeq": 10479508
+                }
+            }
+        ],
+        "TransactionIndex": 10,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "transaction": {
+        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+        "Fee": "12000",
+        "Flags": 2147483648,
+        "LastLedgerSequence": 10479530,
+        "LimitAmount": {
+            "currency": "USD",
+            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+            "value": "200"
+        },
+        "Sequence": 10,
+        "SigningPubKey": "039371D0465097AC8F9C02EB60D5599AAD08AADBD623D6D40D642CF2D7C0481B83",
+        "TransactionType": "TrustSet",
+        "TxnSignature": "304502210088A7B69070516F1456AE93CC7189C213E60F1E5276F0FFEB64419CFD3A75FDBA02202E852593523240D5BD59B4DF3FAC97E112F75DF712B07E9C9FC64D824E2E0CB2",
+        "date": 471732720,
+        "hash": "9F54793122AD0CF1552A4E76991CB481E6FAD467176976500E11EA76CAC9D9EA"
+    }
+}
diff --git a/src/utils/test_data/transaction_jsons/trustline_set_limit2.json b/src/utils/test_data/transaction_jsons/trustline_set_limit2.json
new file mode 100644
index 0000000..78d1772
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/trustline_set_limit2.json
@@ -0,0 +1,107 @@
+{
+    "Account": "rsApBGKJmMfExxZBrGnzxEXyq7TMhMRg4e",
+    "Fee": "10",
+    "Flags": 0,
+    "LimitAmount": {
+        "currency": "USD",
+        "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+        "value": "300"
+    },
+    "Sequence": 10,
+    "SigningPubKey": "0337930D40B5A285B7ABC75574FAEC947D1221ABD0155E0D393223DFDA5A7905B2",
+    "TransactionType": "TrustSet",
+    "TxnSignature": "30450221009E1A07D8FD71276D776712EDCD044769C7DB0590FDFA90EC405BBFFA2A5B658402207280B2F1DFDFAEF4A52C14D3EB726CF0520FB2B79B4037C0F5FD0DF9D4166A62",
+    "date": 424538770,
+    "hash": "09A89A9DB790C553441637C677FF26D3A606C9EDF688447273B2C0B83D98383C",
+    "inLedger": 1046325,
+    "ledger_index": 1046325,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "Owner": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                        "RootIndex": "6319526CE8F9A8A44D7A870A89DC1B4AD848AA4F066FCB5390A9A268F6E16AEA"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "6319526CE8F9A8A44D7A870A89DC1B4AD848AA4F066FCB5390A9A268F6E16AEA"
+                }
+            },
+            {
+                "CreatedNode": {
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "791DCC45D985B40DC7E3BFB7394B5287E8027BCFCE07F5A55A2492738724F97B",
+                    "NewFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0"
+                        },
+                        "Flags": 65536,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rsApBGKJmMfExxZBrGnzxEXyq7TMhMRg4e",
+                            "value": "300"
+                        }
+                    }
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rsApBGKJmMfExxZBrGnzxEXyq7TMhMRg4e",
+                        "Balance": "9248902096",
+                        "Flags": 0,
+                        "OwnerCount": 2,
+                        "Sequence": 11
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "96E491543BAA99142135D2C304174585C285FA44A2896970BAA66EA460F15479",
+                    "PreviousFields": {
+                        "Balance": "9248902106",
+                        "OwnerCount": 1,
+                        "Sequence": 10
+                    },
+                    "PreviousTxnID": "C6175CC7CF4B4C875DE991AA2812ABA00EE795CE5547FD70023E3B170BD1030F",
+                    "PreviousTxnLgrSeq": 1043147
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                        "Balance": "149999980",
+                        "Flags": 0,
+                        "OwnerCount": 0,
+                        "Sequence": 3,
+                        "TransferRate": 1002000000
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "A3C1529122C3DBD6C96B9DF009FF4896023FE6B4E05A508B1E81F3DCD9A6274B",
+                    "PreviousTxnID": "5F338A7BF4C38633C75BED1672E146898904FC8272B45DA7D188716D998B71C5",
+                    "PreviousTxnLgrSeq": 1045132
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Flags": 0,
+                        "Owner": "rsApBGKJmMfExxZBrGnzxEXyq7TMhMRg4e",
+                        "RootIndex": "AB72F278F646031B4531BE7EC45A78F3693B9375BEA7B2A794ECC32742C87843"
+                    },
+                    "LedgerEntryType": "DirectoryNode",
+                    "LedgerIndex": "AB72F278F646031B4531BE7EC45A78F3693B9375BEA7B2A794ECC32742C87843"
+                }
+            }
+        ],
+        "TransactionIndex": 0,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "validated": true
+}
diff --git a/src/utils/test_data/transaction_jsons/trustline_set_limit_zero.json b/src/utils/test_data/transaction_jsons/trustline_set_limit_zero.json
new file mode 100644
index 0000000..e1ce90b
--- /dev/null
+++ b/src/utils/test_data/transaction_jsons/trustline_set_limit_zero.json
@@ -0,0 +1,87 @@
+{
+    "engine_result": "tesSUCCESS",
+    "engine_result_code": 0,
+    "engine_result_message": "The transaction was applied.",
+    "ledger_hash": "BCA3403873155ECFEB616ED9923D94430CB26EA7206CBCC4F86EACE47B33F950",
+    "ledger_index": 10460919,
+    "status": "closed",
+    "type": "transaction",
+    "validated": true,
+    "meta": {
+        "AffectedNodes": [
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Balance": {
+                            "currency": "USD",
+                            "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji",
+                            "value": "0.02"
+                        },
+                        "Flags": 1114112,
+                        "HighLimit": {
+                            "currency": "USD",
+                            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+                            "value": "0"
+                        },
+                        "HighNode": "00000000000001E8",
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "0"
+                        },
+                        "LowNode": "0000000000000000"
+                    },
+                    "LedgerEntryType": "RippleState",
+                    "LedgerIndex": "AAE13AF5192EFBFD49A8EEE5869595563FEB73228C0B38FED9CC3D20EE74F399",
+                    "PreviousFields": {
+                        "LowLimit": {
+                            "currency": "USD",
+                            "issuer": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                            "value": "100"
+                        }
+                    },
+                    "PreviousTxnID": "1BBAC938211E7C2B5A0DD00153557E0A47B38F93AF0F1831C4ECE0E6387B8B96",
+                    "PreviousTxnLgrSeq": 10460914
+                }
+            },
+            {
+                "ModifiedNode": {
+                    "FinalFields": {
+                        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+                        "Balance": "99940002",
+                        "Flags": 0,
+                        "OwnerCount": 1,
+                        "Sequence": 6
+                    },
+                    "LedgerEntryType": "AccountRoot",
+                    "LedgerIndex": "C24354B286600B8F28E51233B4AC41A3B4DDD0FDC9BCF96BB171573F6B40A4AE",
+                    "PreviousFields": {
+                        "Balance": "99952002",
+                        "Sequence": 5
+                    },
+                    "PreviousTxnID": "1BBAC938211E7C2B5A0DD00153557E0A47B38F93AF0F1831C4ECE0E6387B8B96",
+                    "PreviousTxnLgrSeq": 10460914
+                }
+            }
+        ],
+        "TransactionIndex": 8,
+        "TransactionResult": "tesSUCCESS"
+    },
+    "transaction": {
+        "Account": "rLDYrujdKUfVx28T9vRDAbyJ7G2WVXKo4K",
+        "Fee": "12000",
+        "Flags": 2147483648,
+        "LastLedgerSequence": 10460926,
+        "LimitAmount": {
+            "currency": "USD",
+            "issuer": "rMwjYedjc7qqtKYVLiAccJSmCwih4LnE2q",
+            "value": "0"
+        },
+        "Sequence": 5,
+        "SigningPubKey": "039371D0465097AC8F9C02EB60D5599AAD08AADBD623D6D40D642CF2D7C0481B83",
+        "TransactionType": "TrustSet",
+        "TxnSignature": "3045022100CAF0DD8A64B68CC9CD44166A381FE07B69AAC5219BB3E90D5A2BD73FB9919DBA022071BE14E0E8ABB0B1841A7A4D1A983C8AC32CFA0E7C9A45FA3565AE5477C076A8",
+        "date": 471650760,
+        "hash": "B836ADBA4D77638C5F8C99B5FC0FC6A92D5F82FF3C90759F44773835BAD2AB86"
+    }
+}