{
"manageEntity": {
"action": "Save",
"entityId": "2022526807",
"entityType": "Track",
"nonce": "1792393428516971266",
"signature": "0x9c1c24ef7f623e1702ff665a4d74bd83a8da929b7e13b8231429ee869a81b9f53bbd710c134b9f56b9c01d246a3a46870a1f00ad0b6fff5b7738a9e4faea4bf81c",
"signer": "0x6620103988B969bE5810F1B5530c1A44Fe6048A1",
"userId": "568518925"
}
}