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

{
  "series": {
    "seriesId": "<string>",
    "title": "<string>",
    "units": "<string>",
    "frequency": "<string>",
    "observations": [
      {
        "date": "<string>",
        "value": 123
      }
    ]
  }
}