{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1411451964",
    "entityType": "Track",
    "nonce": "0x68b2735c004a62205aa63eda82a0ea63e3cec6cc9ed616cbcc9c77b989322608",
    "signature": "0xa5583f108a01d01ae690553a48624bda4c7e5bcc3637aba5ee7d351642bdd4522e3b6ce333f83dd8355f08bc44ccd4f9db5ff7872400bf20381ed975248aa71d1c",
    "signer": "0xc4A500E17D812B285447720CCcb7F8eB148c91bd",
    "userId": "256479919"
  }
}