curl --request GET \
  --url https://api.myscalev.com/v3/variants/{variant_id}/digital-product-files/{id} \
  --header 'Authorization: Bearer <token>'

{
  "content_type": "<string>",
  "id": 123,
  "name": "<string>",
  "size_in_bytes": 123,
  "url": "<string>"
}