{
  "manageEntity": {
    "action": "Download",
    "entityId": "1794389250",
    "entityType": "Track",
    "nonce": "0x18ae10c7a2ea933613f9eff09f7ba9100e1cc4c4b688c53a955a38575eb0d270",
    "signature": "0xa30ec352dcc2665f9c15b588be0782d691f7bc7732e7464efa48fd91f6d027730c40a78cccd8ca64b6cce1b3c047aeddfa5d75d4201d9040ebee491ec0666c1a1b",
    "signer": "0x5658799097D36113d685F64E7C13B4b5467dBa0D",
    "userId": "705147726"
  }
}