because I’m already here I might as well just ask another maybe related problem;
Testing it with twitch event verify-subscription subscribe -F http://localhost:8080/eventsub/ -s 5f1a6e7cd2e7137ccf9e15b2f43fe63949eb84b1db83c1d5a867dc93429de4e4
gives this: invalid content-type header. Received type text/html with charset utf-8. Expecting test/plain.