{
"manageEntity": {
"action": "Unrepost",
"entityId": "263643481",
"entityType": "Track",
"nonce": "0x1e07427321a8318dc9a562bc6461e834be000f84e08f4035590441b2d7bb51a6",
"signature": "0x6b27925e6aaf70d4ae53a8fa77b4e5ba3beb66f859af48674704493e32cdeb4f6d761d482009872a41483df078a864c2cdbd64a8442c5bc79357a1f84247974c1c",
"signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
"userId": "377610060"
}
}