{
"manageEntity": {
"action": "Save",
"entityId": "101327839",
"entityType": "Track",
"nonce": "0x1b6198f73ce77340bf09d48243c3686d79ce8bba5ea1d202513ccb72f781baac",
"signature": "0xd39b6ffd1c2ff689fdc6d3cc1dd614c56c04087b861a0d76a8f4667ccb79a3c57ed3cd07e7912249ab5f5c878f95b9cf28b4bedb1013de61cc7528ad66e955961b",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}