{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9b36585285526c0133004d91319e53b66122e50c4087604fd5c4537b07352c8a",
    "signature": "0x228d7ea9c94f85de7aee40692be134c85799b21aeebe6a91c5a103961c62115c5320bea4263f286267718424009c41fabc66abc420cae638a12643966175addb1c",
    "signer": "0x267D81f40581Cc174579c63995250b1f3aDa1Fad",
    "userId": "439212304"
  }
}