{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "815984668",
    "entityType": "User",
    "nonce": "0x7f977b523ac9355f6c2a5a8354cf6d0d3b386bc24e01e94e5ae421a9aad4b5d6",
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    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}