{
  "manageEntity": {
    "action": "Download",
    "entityId": "1610571973",
    "entityType": "Track",
    "nonce": "0x6c0e07f682012e94dab63ca5fa7636bdb47ff25b2c9f26064c6ea6b7624e0f40",
    "signature": "0xef5f387e699dbf5863d2afe97f490546c4bfcc3c4104b092479cb3decdb6491626f3ecafe5f177911334441d62cb3ba4fb872832544298e8be946b3b7354b1061b",
    "signer": "0x96339e3C19861DFc37C9670Da1cF2d718efF3FF9",
    "userId": "126262"
  }
}