{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "572750",
    "entityType": "User",
    "nonce": "0xf1b5afee8e126ace9fe3a60e30ea67953de2fc9753ce3cc58d5d15264344b3f9",
    "signature": "0x6e53a68e229d5f48f649cded1499ff2625b71e34683755d919052f41d308a9cf6320d3630d51967fc509739d27058dbdb4d67c048b8322e32a069e243de83e2f1b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}