{
"manageEntity": {
"action": "Save",
"entityId": "1080506975",
"entityType": "Track",
"nonce": "0xbba2dd5ad3ad90ee2563ebf2a18f26fade4e4b1dbd0a33779e4b005a2922325e",
"signature": "0x16a0cc7985a0d33d39ae6d73ac461e7d11f979670cf783d40fb51e3d4adf8f7d2929a7354c64499a3205a0d8048179e4b1e12c54fd87f4a4cf7a36283894a8fc1b",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}