{"type": "rich", "version": "1.0", "html": "<iframe src=\"https://quotewise.io/embed/quote/y686mv/\" width=\"600\" height=\"200\" frameborder=\"0\" allowfullscreen title=\"Replacing particles by strings is a naive-sounding step, from which many other things follow. In...\"></iframe>", "width": 600, "height": 200, "title": "Replacing particles by strings is a naive-sounding step, from which many other things follow. In...", "author_name": "Edward Witten", "author_url": "https://quotewise.io/o/Edward_Witten/", "provider_name": "Quotewise", "provider_url": "https://quotewise.io", "thumbnail_url": "https://quotewise.io/og/q/y686mv.png", "thumbnail_width": 1200, "thumbnail_height": 630, "cache_age": 86400}