{
"manageEntity": {
"action": "Delete",
"entityId": "880814137",
"entityType": "Track",
"nonce": "0x6b450af1a716a5b7734fdcc7cbae7ef14899abf9d488f68701c3738ad87f4068",
"signature": "0x62967021621036cfdfb01c6353cc72c45a5c18030cae6a7c9a5cce21939e787001822d3b4be27e2bb71a2acb6bcaf88ddf7481d3b9dca2647f2540dcea8e8ab81b",
"signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
"userId": "715160400"
}
}