{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "199965",
    "entityType": "User",
    "nonce": "0x94ce09f3ad01a7ac72a0e03136c4d2543c092bbee8629e3fb782396ba6f6ad93",
    "signature": "0x8b18102288ac42f3669c7e9c9d8bd5933dc3f848a2a89f5587909037d54becd3214f3438fe81dd0a56bb190838047d623ccd4290a706f5e4780a2f5de8dda6681c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}