oldest ions on Nostr: 北京有线下吗

{ "id": "1f4afde700e275086ea37f4f97b96eaf4d8f01048acf216f1defdc21ede81394", "pubkey": "eefd67e83227d8825f9e38e5e346211e79d2f511a1bdf06b5d2e3a3eeffd7bae", "created_at": 1675439952, "kind": 1, "tags": [], "content": "北京有线下吗", "sig": "323d21e8fd8187488960ca5b00bc86dd61e636f38d65344de134d8807dfa225dad32a2c21e97345ac1eae6fe3f8e4daf3c6919defaa83d3f09050ae006803913" }