| Name | Type | Description | Notes |
|---|---|---|---|
| externalIds | [String] | Tags that can be used to identify your entry. You can search for records that contain a particular `external_id` using Connect. External IDs should be sent in Base64. | |
| content | String | This is the data that will be stored directly on the blockchain. Please be sure that no private information is entered here. Content should be sent in Base64 format. | |
| callbackUrl | String | The address you'd like the callback to be sent to. If this is not specified, callbacks will not activate. | [optional] |
| callbackStages | [String] | The immutability stages you'd like to be notified about. This list can include any or all of the three stages: `replicated`, `factom`, and `anchored`. If callbacks are activated and this field is not sent, it will default to `factom` and `anchored` | [optional] |