diff --git a/interface-specs/data-disclosure-agreement-schema/README.md b/interface-specs/jsonld/README.md
similarity index 100%
rename from interface-specs/data-disclosure-agreement-schema/README.md
rename to interface-specs/jsonld/README.md
diff --git a/interface-specs/data-disclosure-agreement-schema/data-disclosure-agreement-schema-context.jsonld b/interface-specs/jsonld/dexa-context.jsonld
similarity index 79%
rename from interface-specs/data-disclosure-agreement-schema/data-disclosure-agreement-schema-context.jsonld
rename to interface-specs/jsonld/dexa-context.jsonld
index 6a84b24..f80c6ee 100644
--- a/interface-specs/data-disclosure-agreement-schema/data-disclosure-agreement-schema-context.jsonld
+++ b/interface-specs/jsonld/dexa-context.jsonld
@@ -2,10 +2,11 @@
     "@context": {
         "@version": 1.1,
         "@protected": true,
-        "ddaRegistry": "https://docs.igrant.io/docs/data-exchange-agreements/#",
+        "dexaRegistry": "https://docs.igrant.io/docs/data-exchange-agreements/#",
+        "permissionVocab": "https://docs.igrant.io/schema/permission/v1.0/#",
         "DataDisclosureAgreement": {
-            "@id": "ddaRegistry:data-disclosure-agreement",
-            "@type": "ddaRegistry:data-disclosure-agreement",
+            "@id": "dexaRegistry:data-disclosure-agreement",
+            "@type": "dexaRegistry:data-disclosure-agreement",
             "@context": {
                 "dda": "https://docs.igrant.io/schema/data-disclosure-agreement/v1.0/#",
                 "schema": "https://schema.org/",
@@ -141,6 +142,35 @@
                     "@container": "@list"
                 }
             }
+        },
+        "Permission": {
+            "@id": "dexaRegistry:permission",
+            "@type": "dexaRegistry:permission",
+            "@context": {
+                "permissionVocab": "https://docs.igrant.io/schema/permission/v1.0/#",
+                "mydataDidVocab": "https://docs.igrant.io/schema/mydata-did/v2.0/#",
+                "@version": 1.1,
+                "@protected": true,
+                "personalDataAttributes": {
+                    "@id": "permissionVocab:personalDataAttributes",
+                    "@type": "@id",
+                    "@container": "@list",
+                    "@context": {
+                        "dda": "https://docs.igrant.io/schema/data-disclosure-agreement/v1.0/#",
+                        "permissionVocab": "https://docs.igrant.io/schema/permission/v2.0/#",
+                        "@version": 1.1,
+                        "@protected": true,
+                        "attributeId": "dda:pdAttributeId",
+                        "permission": "permissionVocab:permission"
+                    }
+                },
+                "dataAgreementDid": "mydataDidVocab:dataAgreementDid",
+                "proofChain": {
+                    "@id": "sec:proof",
+                    "@type": "@id",
+                    "@container": "@list"
+                }
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/interface-specs/data-disclosure-agreement-schema/example.jsonld b/interface-specs/jsonld/example-dda.jsonld
similarity index 86%
rename from interface-specs/data-disclosure-agreement-schema/example.jsonld
rename to interface-specs/jsonld/example-dda.jsonld
index d739801..9c85f26 100644
--- a/interface-specs/data-disclosure-agreement-schema/example.jsonld
+++ b/interface-specs/jsonld/example-dda.jsonld
@@ -1,6 +1,6 @@
 {
     "@context": [
-        "https://raw.githubusercontent.com/decentralised-dataexchange/data-exchange-agreements/main/interface-specs/data-disclosure-agreement-schema/data-disclosure-agreement-schema-context.jsonld",
+        "https://raw.githubusercontent.com/decentralised-dataexchange/data-exchange-agreements/main/interface-specs/jsonld/dexa-context.jsonld",
         "https://w3id.org/security/v2"
     ],
     "@id": "urn:uuid:xyz",
@@ -62,10 +62,10 @@
     "proofChain": [
         {
             "id": "urn:uuid:proof",
-            "type": "Assertion",
-            "created": "1234",
-            "verificationMethod": "Assertion",
-            "proofPurpose": "Assertion",
+            "type": "Ed25519Signature2018",
+            "created": "2017-06-18T21:19:10Z",
+            "verificationMethod": "did:key:abc",
+            "proofPurpose": "authentication",
             "proofValue": "x.y.z"
         }
     ]
diff --git a/interface-specs/jsonld/example-permission.jsonld b/interface-specs/jsonld/example-permission.jsonld
new file mode 100644
index 0000000..e7ba052
--- /dev/null
+++ b/interface-specs/jsonld/example-permission.jsonld
@@ -0,0 +1,26 @@
+{
+    "@context": [
+        "https://raw.githubusercontent.com/decentralised-dataexchange/data-exchange-agreements/main/interface-specs/jsonld/dexa-context.jsonld",
+        "https://w3id.org/security/v2"
+    ],
+    "@id": "urn:uuid:xyz",
+    "@type": [
+        "Permission"
+    ],
+    "personalDataAttributes": [
+        {
+            "permission": "allow",
+            "attributeId": "abc"
+        }
+    ],
+    "dataAgreementDid": "did:mydata:zj53m..",
+    "proofChain": [
+        {
+            "type": "Ed25519Signature2018",
+            "created": "2017-06-18T21:19:10Z",
+            "verificationMethod": "did:key:abc",
+            "proofPurpose": "authentication",
+            "proofValue": "x.y.z"
+        }
+    ]
+}
\ No newline at end of file