{
  "manageEntity": {
    "action": "Download",
    "entityId": "661146296",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Skokie\",\"region\":\"Illinois\",\"country\":\"United States\"}}",
    "nonce": "0xe4375fa7a12cde91ce603e9063f45e5d25b642912111d2816c9f184cec0afdeb",
    "signature": "0xec5394f841ab5e51fa3b1750f76fe20c9377904cf7085ac65e125897d206db7d4105bec199f1a89bf6ce6f9a4ebdb98b546f68e564070442d3bcbbd9691f91851b",
    "signer": "0x6728AE713808836D22A2bA39b2570131FD8815c5",
    "userId": "207448528"
  }
}