curl --request GET \
  --url https://api.withorb.com/v1/dimensional_price_groups \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "metadata": {},
      "id": "<string>",
      "name": "<string>",
      "external_dimensional_price_group_id": "my_dimensional_price_group_id",
      "dimensions": [
        "<string>"
      ],
      "billable_metric_id": "<string>"
    }
  ],
  "pagination_metadata": {
    "has_more": true,
    "next_cursor": "<string>"
  }
}