{
"manageEntity": {
"action": "Delete",
"entityId": "154631894",
"entityType": "Track",
"nonce": "0xb6ced57fb0604441b890f4c8023763e8419c291a7daf88cd3bd6622032783c34",
"signature": "0xa4c68413c4d694042966ffff2024c2936a88ab4444738ff685858156a86056d35d29ff6878f6faf3ef718b6b273ea300ed5a878e887403cd0804143ab3ca20821b",
"signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
"userId": "715160400"
}
}