SMediaType:
| "application/json"
| "application/octet-stream"
| "application/pdf"
| "application/xml"
| "application/x-www-form-urlencoded"
| "multipart/form-data"
| "text/csv"
| "text/html"
| "text/plain"
| "text/plain; charset=utf-8"
| "image/png"
| "image/jpeg"
| "image/gif"
| "image/webp"