{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8840eba371e6ca9cb6297c3c8dd60f50148cc009ca8ed08c6f5efeb30981a5fa",
    "signature": "0x0c8c666156725be6071c99b7e1e123ec4f107fe5fb55e2600bb08374905ffc9f3ca957ec90375e984f9ccdabacaf9704590f4c3264cb3cb00ff80146b8a599011b",
    "signer": "0x07d82F5c5532d460FD996F668Ba8B36089bdCcf8",
    "userId": "951271865"
  }
}