{
  "manageEntity": {
    "action": "Save",
    "entityId": "88017",
    "entityType": "Track",
    "nonce": "0xc7c6cf46f45800a0d363aa658bae0ff35a10af80f2bf02743f3997517a2486b7",
    "signature": "0x2b753237993035725ad7aed1f107b5ee745c8a4702bc4d005c9402d2e9f27bf52184eca292bde9a2ca6329b53ab057e8540397fc68017724d621888224b554421b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}