Nostralian on Nostr: What are they?

{ "id": "ec80e1c95fa0731090caee2b13364469bf731fe1a576dbfca6d78d26dd0b4ad4", "pubkey": "8a1cd17786cf8230348f935bd1d77aac8cb3e537871b9f3667ca482366d85613", "created_at": 1699230978, "kind": 1, "tags": [ [ "e", "d1a0e06ef9c1d8ba2d553bf92dba2051aec7fb9502d56436289caa88b382c1e2", "", "root" ], [ "p", "66f19c34d2e23e6b34c7d19067e71a53ded59c8a06b85857581e3f7b86dda352" ] ], "content": "What are they?", "sig": "8816b0a175d9b2d9eaeae820539f78393f583ff9488536fd6a1c67a413b518973fabe09f665cabcae24d91adc053aaa47bd6a057692b880fa4899380aaf446a4" }