If you look up that link directly in your fedi app you can share the list directly and platforms other then mastodon should show it inline

nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqk08pe3kghynslu5gh9cqyguud2lyk5fl84wqm073tzxqnmk04ygsu7h0ux Fedifiesta 15th of February in Murcia ✌️