{"type":"rich","version":"1.0","title":"kphrx wrote","author_name":"kphrx (npub1qs…khyzs)","author_url":"https://nostr.now/npub1qschus97gtenwyznu37kxxrvz422xcka47updm2a7jlwr2kna42qjkhyzs","provider_name":"njump","provider_url":"https://nostr.now","html":"拡張子は言わずもがな嘘をつくしcontent−typeヘッダーは補助でしかないし確実なのはストリームで最初の数バイトを受け取って判別するとかになりがち"}