q on Nostr: why？

{ "id": "9f5edc35931e61206af5c747ef9ab65b3d5de88fbec78dfb0e79fa730a541a36", "pubkey": "57e3f20dc2851eccf3d452beeec0a21827e99e58a1af35cc911f72f3dcc9b434", "created_at": 1678725415, "kind": 1, "tags": [ [ "e", "7f43cd92f9da4a593940e595cf9288285c7021fa7048689bc57b406d15e9c78d" ], [ "p", "34a2217e1e4640a2b35a64e24c0b49ce49a70f87f8137dc898bb1dcfccafcc29" ] ], "content": "why？", "sig": "df8b1ee01515efa57f7c5b80dbc631f22914b58226edec5340314c9956cb00abcfd139fa2b9da798aec73c2b5295dcf6cb9054fa3d69537cf9c7d5786026bc4b" }