{"type": "rich", "version": "1.0", "html": "<iframe src=\"https://quotewise.io/embed/quote/vwbket/\" width=\"600\" height=\"200\" frameborder=\"0\" allowfullscreen title=\"Quantum theory may be formulated using Hilbert spaces over any of the three associative normed di...\"></iframe>", "width": 600, "height": 200, "title": "Quantum theory may be formulated using Hilbert spaces over any of the three associative normed di...", "author_name": "John C. Baez", "author_url": "https://quotewise.io/o/John_C._Baez/", "provider_name": "Quotewise", "provider_url": "https://quotewise.io", "thumbnail_url": "https://quotewise.io/og/q/vwbket.png", "thumbnail_width": 1200, "thumbnail_height": 630, "cache_age": 86400}