{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x7b5eec1568acda36384c75167eb0fc7977a22792d40041d47e7f334ba3306e1a",
    "signature": "0xfa760e0889bbd8079bfca627844e86b1b483685772f57b0ed99649efb64c96677a9916ffc897713b896221fc8c75211cc314dcab4f1d6c8d775819e969dd4e861c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}