HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8

<?xml version='1.0' encoding='utf-8'?>
<rss xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0">
  <channel>
    <title>!TITLE!</title>
    <description>!DESC!</description>
    <item>
      <title>!ITEM_TITLE!</title>
      <pubDate>Mon, 01 Jan 2022 00:00:01 +0100</pubDate>
      <link>!ITEM_LINK!</link>
      <description>!ITEM_DESC!</description>
      <content:encoded>!ITEM_CONTENT!</content:encoded>
    </item>
  </channel>
</rss>