{
  "manageEntity": {
    "action": "Delete",
    "entityId": "237070",
    "entityType": "Track",
    "nonce": "0x3943466f204c0c116e787583870ad86ffb7ec5478e0c8d11aaa0fc35345f4bd3",
    "signature": "0xdd04a320c8a977b31c2bbaa4f2be4d03c68cad4153919a4b0787ff86d8ac0a5a12c7ae48caa25e4afdb025a23a456a7294bce85217f1c23bccd6b01cb0e00c061b",
    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}