{
"manageEntity": {
"action": "Save",
"entityId": "1700021922",
"entityType": "Track",
"nonce": "1792404707435283674",
"signature": "0xeee63c5f95f842a8a4903b58bc793b0b00479f66e9df2b72475b40f42348996e751eb8e5d2d0ca26b956f7bf6f7f6932b9c83c25ce11f1cb1042ac3589711e521b",
"signer": "0x9B241b1a6A99d662AE67D328e091Fc94faF23fdc",
"userId": "881446128"
}
}