{
"manageEntity": {
"action": "Save",
"entityId": "269581046",
"entityType": "Track",
"nonce": "0x6c27846ac5e9e3d40059d50b6b1ed90f4251a13c7df8b3b419563a97b2827e5a",
"signature": "0x7d7819d602cad6d1fa570a4202d376b540d9a2b17247131e5f2ddcea2463eb490843db2d95480a457b0d1096f84ac86ed353ed1a17188e1600b78531172143891b",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}