2026-04-01T23:54:24Z https://njump.me test_repository_announcement_event_metadata https://njump.me/npub106gndc883z4x3lc0890s40q0dejkrgj3kazdsfh94updgrpq7myqweqcjr https://example.com/test_repo_announcement_picture.jpg https://example.com/test_repo_announcement_picture.jpg