{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423216",
    "entityType": "Track",
    "nonce": "0xd17bb807e28020fda143b9a94017d2c244c6c573654613abdeeb0f6b3be3334f",
    "signature": "0x10f7c66cab9280a0a8cf9721357a3bff88a82a4359a61a66f1584a7873eef3f07cfe59f41091082cdb60b46245f187c75fa3760a93c2390d23d0acc2acaa937e1b",
    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}