The identifier is an empty string.

I'll fix it to allow that, but what is the event it is referring to? I can't fetch it. Also wss://relay.divine.video returns a bunch of invalid events when queried with "#d": [""]

nostr:naddr1qqqqzxthwden5te0wfjkccte9ejxjanfdejjuanfv3jk7tczyrv4428upmlcujyf2fy4hqrynywj07ukakr99ufvmmw95n5tttj5qqcyqqqgt0qeresua