{
"manageEntity": {
"action": "Save",
"entityId": "2058424100",
"entityType": "Track",
"nonce": "0x7ab3017e578e5d146ba8b6b3237bc6b6e01fab61b75e268c7f6a3611d751f5c5",
"signature": "0x2daead4f4a318db4452915a4abdf5d819eb6b5303c9a06833903ff715cf542b764c769c9287be8ed0f4e3bcc883bb8b23908a233bc5cb964f90285e29ae3dbe81b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}