{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996252",
    "entityType": "User",
    "nonce": "0x482e61df46a67e6d433af808217759a2072651445809061caec5c1e72c83ad7e",
    "signature": "0x5408ecd113f07715d5f58c96d97828ba8f1e893c59e40becabc3f4593e7d1187055ba911713d1d00d3f0c719d02204c18a2c8203ea55c481f73c7725523929711c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}