{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x075d6dd492740156709e2a0a2faa1001bfa1a2568f10c1f96b77bb6e2b62a57b",
    "signature": "0x336e41a18a7b663a702992c50b9d5e10c74429ba74d7d6a0080bd17178dbddc3404aad3b8552e957c166b396a793143f83e250cea72c192ee20d01ffed1973da1c",
    "signer": "0xa11fd644F6B87c25C5AD19bDA54bEfEf9Eec7203",
    "userId": "384086949"
  }
}