List Dimensions

curl --request GET \
  --url https://api.example.com/v1/demographics/

{
  "results": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "display_name": "<string>",
      "created_at": 123,
      "protected_class": true,
      "description": "<string>",
      "values": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "dimension_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "value": "<string>",
          "created_at": 123,
          "display_name": "<string>",
          "value_metadata": {},
          "sort_order": 0
        }
      ]
    }
  ],
  "count": 123
}