SPA on Nostr: Is it open source?

{ "id": "13308f3d30fc77b14a3088ba2e44ce101de9d04d0b4b0d8e0ffe21459d64bbaf", "pubkey": "4a38463c2a75e68c24416e7720a3b3befbb0ea6872d5a04692c39e18e8f2dcac", "created_at": 1734286434, "kind": 1, "tags": [ [ "e", "04cfeffca5778ce720578389872d3251f7e79d12fece6e4f94ba07afd2215121", "", "root" ], [ "p", "da56c54b5e6749d65ad038c196478794af94e4fa5a4efdc20b49981e4ec566c3" ], [ "p", "78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d" ] ], "content": "Is it open source?", "sig": "f69bd756ca4a264c8d3cb8f3c257963d361d62d21e0942736fb04069da8befeb1ca656ab1e0f20baf24ec741075c2fc49411104211000cdb46f974d7dc2d500a" }