{
"manageEntity": {
"action": "Delete",
"entityId": "254623423",
"entityType": "Track",
"nonce": "0xce65bfe9c32ba51132d7f6197d8137992113dcb18e06e2871fd811210ba08ddf",
"signature": "0x5d8ba1ce18e484b01befcfac95278ff5869ca0d840b8cddef75691d379d42aa4212afea74f2228ebeb3924925219112ec3e58d62422b8a463cd2b2e0e275bbb21c",
"signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
"userId": "1994482"
}
}