{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1272852961",
    "entityType": "Track",
    "nonce": "0x7f5990da20c2da52fb78ee249f34772a2602167b45adb2e90b762d5209eb5c02",
    "signature": "0xcd464bb13dba7f7675dbec7021b11b07670b0155366bd4c8cee897150716685763c30c03ef4c3a40207348049f5ec1b7b8401341d057f41f054b0f33ce5425321c",
    "signer": "0x7B8658CFf269014853af5b1B950dd273D684e80E",
    "userId": "727799928"
  }
}