{
"manageEntity": {
"action": "Save",
"entityId": "68232932",
"entityType": "Track",
"nonce": "1792419425979020515",
"signature": "0xeb1f4154b3b61b2ec7d999e1938dc714bfbe25f32378bf81587444928e68defa6740bbbcc1deaade295f47b4f3c22fb457bb74c447766632c6f9f05f9fa467521b",
"signer": "0x6620103988B969bE5810F1B5530c1A44Fe6048A1",
"userId": "568518925"
}
}