{
  "manageEntity": {
    "action": "Save",
    "entityId": "36062",
    "entityType": "Track",
    "nonce": "0xf89434e4d8dc32b48f400e59fe59f949f9fe8212187fe94588dcf7c83c021f99",
    "signature": "0x5b297ceb15ae7f8f9737013d2ff96eacd538b120637be386e106627b5298bb0e43de124cc77a7cebfd57cfde3ec4baacb9332558bfafba9b71b605048614807d1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}