{
"manageEntity": {
"action": "Delete",
"entityId": "203974",
"entityType": "Track",
"nonce": "0xbfc779f397bd7a9329c6d7b8fbbdaaa0e877abdd56c0e5238479ad5cfec62664",
"signature": "0xf31adc2c5dcfac7ca2b9eb8b8cbad0f99f88887f8827ca37e07f20e41937a5ad11a311ce60653c490c7b484709f3bc95675db428aeef9340166a94287d5640781c",
"signer": "0x3eAa3E814AA10Cf2145F714289ef3b07f21AbbaB",
"userId": "73735"
}
}