{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x519898c170408d39914353705e4dfd3832aef7cd18d4c2c7cc87f9cb08f72452",
    "signature": "0x65243e0a9036c3af5da41a0a7f4274a1d9ef747021f1f24c03110cd3a0cc7d7d5dec9198c6c849d67cd98b5eacb7d085d905d9454a281c6b7b2beba4a97f70f01c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}