{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x93980dba2f34dae4e538e1acf0e3e1a0e0bb4e02f0e0a7b6d4b23f9f0a0df311",
    "signature": "0x03bec13bc84eac1ac49a1e077df5b791637cbca402d72f1bf8e622d2b1648bc922594816690cfbf8cdd2efb03ae5edc13941b26cc3e0a6ae1abad14d83892fe11c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}