Maybe the event is coming from a relay that you’re not connected to?
Maybe the better is: nostr:npub10td4yrp6cl9kmjp9x5yd7r8pm96a5j07lk5mtj2kw39qf8frpt8qm9x2wl might know. 😄
Discussion
How would I know that?
What type of message did you receive in the notification — a DM or a note?
I don’t use it for this npub I use it for nostr:npub1yfp4s82l246g8fzfmsrwcw9n3ap0x2pjehg9en5hfj8cyachv2kswh32lg