{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66862",
    "entityType": "User",
    "nonce": "0x90c586ea040cf3e09986f1bf2ced565547ac1a7149765863b86041ab2887b9ca",
    "signature": "0xd0c306e91fc47cb752b95e8095da25a89bf9e0c2dafecd327d40ab70ff3fc7ec6efd49ab2ecbb4d8051262cf1f1328ea9f8c261593f56605b35aaba638a8cd751b",
    "signer": "0x8ED8606Ab8cF49801aEa2bf8fFD349E9c85bC6a0",
    "userId": "464330844"
  }
}