{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x125b05b32026bd4d706e79584a122486d2a15e24850872875b4e67c54e49874a",
    "signature": "0x0f660a87de55110fd7b3920594b54c9eb0af954d7fcc27f8ba424b9b7608a174054ef62f6fe9b54dcf2bb61942f7ed0c4c39f16496fe22c8aa6b5edec96476f41c",
    "signer": "0x72B7d1ACc5f8913fC15485e04846eE94B1F116b9",
    "userId": "870280684"
  }
}