{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "164276",
    "entityType": "User",
    "nonce": "0x01ea3c2e57d01fafeb3dac9ab81e68953cff96e74b9d97bb8e57fcac1f231180",
    "signature": "0x8b74339442da4022653ade2ee119261fbabb368c36f93785f94bbaa42d30313a10ea147464e94efb008b8837f1a35d413cc4027bc4f1eaa6d3815267c47161781c",
    "signer": "0x64CFA35C141c7333C0b6f9008Ea3bE8e5dCB0B8E",
    "userId": "384526"
  }
}