test on Nostr: Hello world 2

{ "id": "5111c5248cc79719310ec33f68d83f2bd75e87dab88a83ba2c7f89f0a0838e12", "pubkey": "972f233aa467bc9804032c0bce0a117daead5473c56c91e811a216bdd08c08cf", "created_at": 1731201010, "kind": 1, "tags": [], "content": "Hello world 2", "sig": "fb1e15631d7a90b7201e25b7c08a2454fff7d77efc6064bb5bbf6c7884621e9c25afcbeab29783d9f922c6e2ca9c3152244a1b04033347991d6b6b9a6863b3a9" }