{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x18061ccf84b168784cbc61e36a103b88d7ebb981485f03f7c06091950aa8efa2",
    "signature": "0x9159441086af814b4874477d839d2ed6ad0f17845f9fde1641d2b31cd1829edb02436a8a53fc84e63d279ffdfc342ff07db1e82f52705a02ca1efd699e183bd11c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}