{
  "manageEntity": {
    "action": "Download",
    "entityId": "1433651429",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Las Vegas\",\"region\":\"Nevada\",\"country\":\"United States\"}}",
    "nonce": "0xf22be4f3e148b75142012d5da219071d36d2695f9babce08404482b20c8d2868",
    "signature": "0xdcf61af75fbb3fbd8c1f27c094cb9890581962f4882d199f1f323b3be45b6fc76d9f81e47e3bdaf4dd2143c6d2b0afbd05ece5969220223e497accbb7a3aa8941b",
    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}