{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "325",
    "entityType": "User",
    "nonce": "0x4603171285e4f24d0c2d69415a30c56d442c7e8cf6d9f7168631e0593bf1cc58",
    "signature": "0x1de862a3e4bede87cc2f9ff8c57d3a0e844bb4ef842c0c3b9739e67bf8e816f65a4eafe3696c54dc9c6877d057f7e617c3ec39be4e06255698ddf0898a62fea31b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}