{"type":"rich","version":"1.0","title":"uaa wrote","author_name":"uaa (npub1ra…uf890)","author_url":"https://nostr.now/npub1rarr265r9f9j6ewp960hcm7cvz9zskc7l2ykwul57e7xa60r8css7uf890","provider_name":"njump","provider_url":"https://nostr.now","html":"bech32のCなデコーダーはBIP-173 https://bips.xyz/173 の先にある https://github.com/sipa/bech32/tree/master/ref/c を使えば良いのかな？（他にもC++等の言語による実装がこのリポジトリには収められている）"}