{
  "manageEntity": {
    "action": "Delete",
    "entityId": "554155339",
    "entityType": "Track",
    "nonce": "0x4384df1c118c2bdbc778c875ae1b99e3c0a4a5a58d624f9c2943b6c84e354b71",
    "signature": "0x14957b85909acb288f1929c46a0b6410b97e0adcb69cb5c79b5effddd820175f1d5530623d17524dee85657deb54c2fc2829b92f592b5f79b2a5329a215fb7c81c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}