Alekzar on Nostr: what app is that?

{ "id": "b45011fd009af391bd704fe66596322bad3987b38adba1d9d2dd9d11e6cdccec", "pubkey": "0c469779d0c6c49994514f7d598904067cf0d3d23edd07e4e76dfdd74b21d8b0", "created_at": 1723399926, "kind": 1, "tags": [ [ "p", "ad558fb5cbf53d44f00b1f73ebb976ce7e4cb425b6b3739a4096bca3c3f355a8" ], [ "e", "b1d56abcab60e4f8ef47d15fb1022e6a21bbde8915949e7f531bf152b5a901b7", "wss://nostr.roundrockbitcoiners.com", "root" ] ], "content": "what app is that?", "sig": "b3f734c8d7fc2673f77709af914c334de2219fc60b1412440262e2bf8c409c22572f705b0eeb4e108f68051752e9a8f29e350894c1f0c5523158ea786608f3ce" }