How can I find the best relay to load updated events from a  npub? I can find a relay with nip5, and with nprofile, but how I do that if I have just npub? Should I search for 1002 kind where? Adopt a default cache relay like primal? #asknostr 

 You should look for 10002 (see nip-65). There are relays that aggregate these events, e.g. https://purplepag.es/what 

 Thank you. Now I understand why it's called purple pages