{
"manageEntity": {
"action": "Delete",
"entityId": "103300153",
"entityType": "Track",
"nonce": "0x6ca6a09e573350962261661522ba32e1bc35d77136f90aaedf8a3135cd66072c",
"signature": "0x7a9c24df3767479c6b408b539bcebe72c441f052cd67d4f8a42c579f887c9afa6a24e8f67a89813b9d74f9e4d9bc91accdde5a68c2dc2fea7e08ccee2efe1bcf1b",
"signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
"userId": "715160400"
}
}