{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "263352978",
    "entityType": "User",
    "nonce": "0xea7ddd9c794131048f74f0d63b33b99da2fa1ff1cf403e4061dd72b4539d74ab",
    "signature": "0x25c61dcdf36412b1dab3435d43c5b1ce5f017ad27ea2963aba8f2a661ed8d5be5d00597e2eeff621a8090ccea2b99a891424f66ee52172780d2c209cafc149121c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}