curl --request GET \
  --url https://api.example.com/codes/{version_id}/sources/{source_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "solc_version": "<string>",
  "path": "<string>",
  "is_imported": true,
  "is_known_target": true,
  "n_entry_points": 123,
  "content": "<string>"
}