calle 👁️⚡👁️ on Nostr: What is pubkey?

{ "id": "2c4cb1eb03e168bcc410766feec2391c9474acc01450c0a3688654827ce020cb", "pubkey": "50d94fc2d8580c682b071a542f8b1e31a200b0508bab95a33bef0855df281d63", "created_at": 1730194641, "kind": 1, "tags": [ [ "e", "0acb7c3b1c9c2d63c997254a6047a5cceb4d8c036d49392fc441e41cd0951581", "", "root" ], [ "p", "a9434ee165ed01b286becfc2771ef1705d3537d051b387288898cc00d5c885be" ] ], "content": "What is pubkey?", "sig": "b03b557b3a854b03aff82c351c0324000fd2f4ee3fc90ef3249ee3fd1cd13c926d0f3dfc4de8aaf10b85ab33f3b816bb01c45e69d07269f3b22df250a4e20427" }