nostr:npub16uny7g476c9a5d2qczc9j2yc8wn7p0qnxx39h7z7af9t4n6wkdpsade944 nostr:npub12cpzx5yxvh8wp8fj2q4ujyfl4e3uj4pjh7xxdhm3y9ty42dgam2qnethcv You can import a single message by posting the full URL in the search box.
Or did you mean "a full backup of hundreds of messages"?
In that case, unfortunately, not yet.