{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x511b8c8d21e71b53abe7c634fba5ca27b04aa178f3b443b956c5b93356419730",
    "signature": "0xebc236973b81285b772148442975f91a6fedaba1ec966c4a90894b646066f5760eadaec071a02d7c760cb4672628bed18b3986700181f79cc60aa0ec45f0722f1b",
    "signer": "0x3B446829846E4Dff44d7a596d5B5E2e7F6f2A2F9",
    "userId": "784506004"
  }
}