curl --request POST \
  --url https://api2.rhombussystems.com/api/audiogateway/getUptimeWindows \
  --header 'Content-Type: application/json' \
  --header 'x-auth-apikey: <api-key>' \
  --header 'x-auth-scheme: <x-auth-scheme>' \
  --data '
{
  "deviceUuid": "AAAAAAAAAAAAAAAAAAAAAA",
  "endTimeMs": 1643673600000,
  "startTimeMs": 1640995200000
}
'

{
  "error": true,
  "errorMsg": "<string>",
  "uptimeWindows": [
    {
      "durationSeconds": 123,
      "startSeconds": 123
    }
  ],
  "warningMsg": "<string>"
}