{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "308196323",
    "entityType": "User",
    "nonce": "0x2a35c983b8d6357dc97096228191aa8bf0f7cfc8042594a9f423295e405e4212",
    "signature": "0x7dc07738c08fbc090441b0725a2a903b256b368bb7217102a467c686d5de3306146168d7ed1f592d45792e5b8cbe77d9f5d48436235c7cf3b0d6297b41d847141c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}