{
  "manageEntity": {
    "action": "Download",
    "entityId": "1579341893",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Wiesbaden\",\"region\":\"Hesse\",\"country\":\"Germany\"}}",
    "nonce": "0x8c5bfa062d9cdd797db03e09427b9faa3287ef7b12321a37db8c70be9e373a60",
    "signature": "0x2bdc1fd58955e6c2703d319cc101e67302d479c64facab6f557a695468f4ce2d30ed00b53f3e4750e4c478d381414ce4134597b370952ed840be0849b77910a31b",
    "signer": "0xa9dE4be0B891b92809B19B7F6ae0C51Ef8e5b0AF",
    "userId": "329426201"
  }
}