{
  "$schema": "https://json-structure.org/draft/2020-12/schema",
  "name": "MessageRequestBlock",
  "type": "object",
  "properties": {
    "initiatingPartyId": {
      "type": "string"
    },
    "messageId": {
      "type": "string"
    },
    "creationDateTime": {
      "type": "string"
    },
    "businessType": {
      "type": "number"
    }
  }
}