{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa2b563b56b25dff52ea034a7e1374161238bbe58c498b1b30edf21b0383e101f",
    "signature": "0x3a7b7ffa6a9a776438355d40d1a43f30b5b5dfe2da7d07b92eed6d7238c727c81a73e7ce259aebcc4144a7229b93014fb88e13930ab008ce5e8dd052eec6b09a1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}