{"type":"rich","version":"1.0","title":"D3 V4 force directed graph.","provider_name":"Plunker","provider_url":"https://plnkr.co","html":"<iframe id=\"plnkr_embed_TiKKmvydqXNipe103juL\" class=\"plnkr_embed_iframe\" style=\"width: 100%; overflow: hidden;\" src=\"https://embed.plnkr.co/plunk/TiKKmvydqXNipe103juL?autoCloseSidebar&deferRun&show=preview\" width=\"600\" height=\"400\" frameborder=\"0\" scrolling=\"no\"></iframe>","width":600,"height":400,"thumbnail_url":"https://shot.plnkr.co/TiKKmvydqXNipe103juL.png?d=2017-06-15T12%3A12%3A00.235Z","thumbnail_width":400,"thumbnail_height":300}