p on Nostr: how can you tell?

{ "id": "b4ec0bd79a31b96254bfb0807adba548b87dc83c695cfe67b8e4af58087b79a3", "pubkey": "989ffcc70f8c1aebeeb2f0f35f07425182815edeae34fe0fb22e19de2f8aeaac", "created_at": 1791990037, "kind": 1, "tags": [ [ "e", "8eec68efaf09b036b420d47b7d84ebc9a5e18c7b2abe8b435b236bc9363478d7", "", "root", "be1faa9e82a0d641364c104b303e48cb4c8f22245b00c44b1eb625d9d7ce4acd" ], [ "p", "be1faa9e82a0d641364c104b303e48cb4c8f22245b00c44b1eb625d9d7ce4acd" ], [ "proxy", "https://hj.9fs.net/p/p/1791990037.339479", "web" ], [ "proxy", "https://hj.9fs.net/p/p/1791990037.339479", "activitypub" ], [ "L", "pink.momostr" ], [ "l", "pink.momostr.activitypub:https://hj.9fs.net/p/p/1791990037.339479", "pink.momostr" ], [ "-" ] ], "content": "how can you tell?", "sig": "c38edafdb6def296dbf9e54be70cba5756d3351d0461a844c31a5f2da7c5ff903bbe6d8362f7fa496e4cc74eab9dd1088eeed1f5f57e1229a2c724a91f0b6ea9" }