{
"manageEntity": {
"action": "Delete",
"entityId": "279976828",
"entityType": "Track",
"nonce": "0x8a7974d981a4123e355e0de9eabc271844a3b292f03723a99a05212f4d632af6",
"signature": "0x2dd33148e0f9ee696867239302bd8b04595f32c18329abe817d12d90258c8d810eb9300970804fe6e32173dcec1e1faa1299481da9103d72a81ac06db004f6681c",
"signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
"userId": "715160400"
}
}