{
"manageEntity": {
"action": "Save",
"entityId": "795076329",
"entityType": "Track",
"nonce": "0x0123725a2ff9722b9e7036151edf153a25128bd203caaae79862cca2512f9532",
"signature": "0xafe439cca8d9463635ab21c6e06af16a0554a341cccc97fbd8f6bd8c35969a876e559056f0c84e6f54435d273e96e2b75079b3b207214f8889bf936ee705cdcf1b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}