2026-04-02T18:37:55Z https://njump.me test_repository_announcement_event_metadata https://njump.me/npub196szqnhlyjehsd3a64k3eg2808k0j34w59pad66apdvxttkeyh5skjx5tw https://example.com/test_repo_announcement_picture.jpg https://example.com/test_repo_announcement_picture.jpg