If it’s not something on your end it might be because Nostore is broken for non-ios18 phones now.
Discussion
I was wrong - works fine for me. I was just using the wrong pubkey.
Yes, it must be this nostr:npub1clk6vc9xhjp8q5cws262wuf2eh4zuvwupft03hy4ttqqnm7e0jrq3upup9