{
"manageEntity": {
"action": "Save",
"entityId": "865772088",
"entityType": "Track",
"nonce": "0xdf770e1ec085714d3a812f31aab71a15b6112df12924c66d18bcd018506de35a",
"signature": "0x0bcebeb2510fba7e8e4963e6477ce1b4edf4bdd32598e2eddebe81b4441ce43379e5aaef442962c55846238380de2f9b1a5105f552372f228162aa26f48efe9b1b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}