{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0x97ba1faa0803193dcb1527f3a11c9aaf2b2478586fb78f2a0eb545bf3ba37bf0",
    "signature": "0x38db212f164a6f6bfe764913e465c3a1fa9a2d76267ef04fdab8da83a396079b5cc31e099f405d920990b25e668b4c25d3e85409e1cb985733d9d46e6a3c172f1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}