{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2105327539",
    "entityType": "Track",
    "nonce": "0xade9e92bc6d164a1a512cd408d4774310041e811d09502ed10fa602e83df8e8b",
    "signature": "0xccd9ef8c351bf2cfdf24ad89226ac04369ed69c3dd4a139ced56fb31592a2e135327252047a63ca47cf1a6218a379ce083be27dd3db19288d322e90b15d752691c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}