{
"manageEntity": {
"action": "Save",
"entityId": "60327322",
"entityType": "Track",
"nonce": "1792341741660893525",
"signature": "0x86fa6f2f21f22dff70584fc0c81b631f8a91124c957ac6d1782cb9dca7306f0668815034563b02fe415431e552543b87a7a00740cfcb3f2e145242afc496f83b1c",
"signer": "0x6620103988B969bE5810F1B5530c1A44Fe6048A1",
"userId": "568518925"
}
}