{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "578268836",
    "entityType": "User",
    "nonce": "0x9093457b085d1dc445fe552087940f42bdbfc42e7dcc29c99fe3e45e6a206bad",
    "signature": "0xe6ddc642d12e9ec1be2af82b0b65e3b5f19b23e928074e8ddc1081f04405718f3fbe41941ae3f1437c8042391745bccac1b42120957dc3169d7b10c51f1364ee1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}