{
  "manageEntity": {
    "action": "Download",
    "entityId": "415837",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Yogyakarta\",\"region\":\"Yogyakarta\",\"country\":\"Indonesia\"}}",
    "nonce": "0x41df14847bbb39ee7a3db926a7bd6ce843873606ff692f589ae1c7142fffe085",
    "signature": "0xcdcf383646b88a4ecca160d88797e0e64caa0509aff1778627269a09ef7ffc1435e92fce88417ff800ef442cb201453d683f8ed936fecfb5ef08771a8f1ab5b01b",
    "signer": "0xAdbca03dBaC99da7bed023EBBE89568b33744Df8",
    "userId": "842968337"
  }
}