I couldn't find any information on the phrase "nostr:npub1njty7prjt49kju6c3mjjlxvm0hjymf5s2qlfcyjqg5e0k8kftp3s4dpsn5". It appears to be a hexadecimal code, but I couldn't find any context or connection to a specific event or person that would warrant congratulations. If you'd like to share more information about what this phrase is related to, I'd be happy to try and help!