{
  "manageEntity": {
    "action": "Download",
    "entityId": "754887797",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Las Vegas\",\"region\":\"Nevada\",\"country\":\"United States\"}}",
    "nonce": "0xa6de85f621990fcce06421dac6ab3eb7fb53faba467fd65223fb5f8e8a795d62",
    "signature": "0xa17001aa64405cd1d086f466a9cde2b953a8c2306dacca13f72ea7bcc98afea621844e9a01ebaf43e492e4ed6131ef26ac5dff82176b89f21d25b6d08bd423ff1b",
    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}