Can't download nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg on my nostr:npub1a00wj229auzjswlq4s77y4u8eqdx5k9ppatgl8rtv8va65f6mwksum9q3h DC1, why not? am I missing something?