curl --request GET \
  --url https://api.example.com/api/economic/v1/get-national-debt

{
  "entries": [
    {
      "iso3": "<string>",
      "debtUsd": 123,
      "gdpUsd": 123,
      "debtToGdp": 123,
      "annualGrowth": 123,
      "perSecondRate": 123,
      "perDayRate": 123,
      "baselineTs": "<string>",
      "source": "<string>"
    }
  ],
  "seededAt": "<string>",
  "unavailable": true
}