{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142029",
    "entityType": "User",
    "nonce": "0xa7339a968cf7b54400fb804b3339e295bb1022147f80df5877fb975640af3105",
    "signature": "0x91fda58b46ca433ddbbc989745dc2bb49ec9ce4f9fb1e4dbb07210d40592c4e50fb36eda05f0060ca5c095b8d0abc617d1104fde6e480d90e37b31b3ec175cc11c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}