I have asked for help on this, the most likely reason is that it used to work, but something got in the way since then (maybe nostr creation of user has changed ...)

Will ping you once I know more

see the thread

https://primal.net/e/note1r8nzhhxxy2c4y3mdqgaqy4d6kg33zrr4srtkw9xal7yswxpru2lqf0gx6w