nostr:npub1z0rrmak9v5drkr3a20e5pehrwzc5pf392apfl5t9h9qk928nay3s7wxuxf nostr:npub1j0shgumvguvlsp38s49v4zm8algtt92cerkwyeagan9m6tnu256s2eg9a7 you could use this on the nostr:npub1yfg0d955c2jrj2080ew7pa4xrtj7x7s7umt28wh0zurwmxgpyj9shwv6vg mobile app to allow users to upload or change their profile pics