{
  "manageEntity": {
    "action": "Save",
    "entityId": "36045",
    "entityType": "Track",
    "nonce": "0xe7aeee39a5cd739b82bc69cf55c7df702742770cf6213c2b4abbdbd025cd44cb",
    "signature": "0x0044f20482f75e4a7ef833050d2512e03e10f4161e03b9c7dc3b0a6d2549e9d72f90f28337f1e65b2b9f082c2c84e590138484dbe90efac367dae25ed51535ad1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}