Here’s a snippet from this very topic (when using Googlebot as a user agent)
<script type="application/ld+json">
{"@context":"http://schema.org","@type":"QAPage","name":"Is there any support for SEO Authorship with Discourse","mainEntity":
{"@type":"Question","name":"Is there any support for SEO Authorship with Discourse","text":"Does Discourse adds metadata to users to identify them? For SEO purposes, authorship is important (see <a href=\"https://www.seoclarity.net/blog/google-authorship\" class=\"inline-onebox\" rel=\"noopener nofollow ugc\">Google Authorship: Is It Still Important for SEO?<\/a>).\n\nIs it possible to add the schema.org property ‘author’ to the profile of users (<a href=\"https://schema.org/author\" class=\"inline-onebox\" rel=\"noopener nofollow ugc\">author - Schema.org Property<\/a>)?","upvoteCount":0,"answerCount":0,"datePublished":"2024-01-05T12:33:14.117Z",
"author":{"@type":"Person","name":"Gummba","url":"https://meta.discourse.org/u/Gummba"}}}
</script>