{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1812000",
    "entityType": "User",
    "nonce": "0xb43e3686e7f6565dad0c34fb0b45a9439a2af09176f5d475f80b66eb980efeb7",
    "signature": "0x148b4782a2e40388a3a6ad9396da605a07e3f25e94762d601ce35848521089592ddba560bd05bbd4e142f4e42df9e910fa9569ff5d71487fe5b970267f6f02a21c",
    "signer": "0xA01ebc830d66b9A7a47A2EC95BcA34ED6EB49a45",
    "userId": "463524416"
  }
}