{
"manageEntity": {
"action": "Save",
"entityId": "1793789885",
"entityType": "Track",
"nonce": "0x99ace42f376a8c0cd1468b5af3cdf431eb1cf85c81ff832ea122b615472cba50",
"signature": "0xeaa426c3e659e694b37d3d7800cc17cbe70650e58f779ff4deb9cc5a67039c9d5eeed26f503cb705ab0bc3edbac1555bc7fa5a82686d19e413aec69ae17a867d1b",
"signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
"userId": "636236864"
}
}