{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "219883",
    "entityType": "User",
    "nonce": "0xedf60a71957e5c57c33ca47c762a75c78025b36712d68bd8d589d5bb02dd457f",
    "signature": "0xfdf2829cc8207c4382c2465fd3e6ef1ee472bca5f594a649e37501af7d601e4d313be57b1ebbdbd3d49e630678028c003017e78bedb3a78b2d4cf1c62f17b8421c",
    "signer": "0x36bc6698D697Dc3869a485812450B1DB1f0a0c04",
    "userId": "400035644"
  }
}