dtonon on Nostr: What provider are you using? I see that pablo@f7z.io lud16 gives: ...

What provider are you using? I see that pablo@f7z.io lud16 gives:

{"callback":"https://f7z.io/BTC/UILNURL/pay/i/5XtpmvedABnr6jGcy13nc2","metadata":";[[\"text/plain\",\"Paid to pablof7z (Order ID: )\"],[\"text/identifier\",\"pablo@f7z.io\"]]","tag":"payRequest","minSendable":1000,"maxSendable":612000000000,"commentAllowed":0}

The nostrPubkey key is not present. How can work? 👀