{"type": "rich", "version": "1.0", "html": "<iframe src=\"https://quotewise.io/embed/quote/yf6m54/\" width=\"600\" height=\"200\" frameborder=\"0\" allowfullscreen title=\"Proposition 4. For a nice strategy to be collectively stable, it must be provoked by the very fir...\"></iframe>", "width": 600, "height": 200, "title": "Proposition 4. For a nice strategy to be collectively stable, it must be provoked by the very fir...", "author_name": "Robert Axelrod", "author_url": "https://quotewise.io/o/Robert_Axelrod/", "provider_name": "Quotewise", "provider_url": "https://quotewise.io", "thumbnail_url": "https://quotewise.io/og/q/yf6m54.png", "thumbnail_width": 1200, "thumbnail_height": 630, "cache_age": 86400}