{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "4909",
    "entityType": "User",
    "nonce": "0xf65a48fb90b08c152fbe48dfba001950324457512bef310ac09bc90d216fa54d",
    "signature": "0x265063337cb6d5e3361c62095b1f927a4f2ad159ad749ede1b7b03ee11328df5590452f648a6b5663ae418b36f417925dee2a5513f7c501a4e36323b8df6e9761b",
    "signer": "0xF7C299AB5282FD59254Ec0098FC5F1B997682c83",
    "userId": "61898"
  }
}