{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "395562712",
    "entityType": "Track",
    "nonce": "0x501e5d02f51e4a68f427470c5b59312727e3a4254029753f7f3339cf69a031be",
    "signature": "0xdef6bf8bc094d6ec6b0a476e8d06772d02e9224286996d1156ceb87b52659b1d588d11398e7e0e7d64d861d9c821b7ffc138ea77458a20212facdffca0a44aae1b",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}