{
"manageEntity": {
"action": "Save",
"entityId": "161701689",
"entityType": "Track",
"nonce": "0x080c0044de8256969145e7bdfccb84a2fdd00d589b3d182cdea0e86f9e8d552c",
"signature": "0x22ba814eaa4d8fd245e64694fa6d845d81dc4688dbea558e3a24738e464c32e4130d3f1199f889fcb4a2195ffabec1e8b9ee1aa5647b6a87ca87a126035e23ff1b",
"signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
"userId": "92019297"
}
}