{"version":"1.0","type":"rich","title":"fresh block","description":"This example displays a blank SVG canvas with a single instructional text message, “Edit the code below to change me!”, centered in a monospace font. The code creates the SVG element using d3.select and appends the text with explicit x, y, and font-size attributes. It relies on D3 v4 and renders entirely through SVG, with no data source or interactive behavior beyond the static placeholder text.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"<iframe src=\"https://next.vizhub.com/viz/gist-49231f1b3e8e85590d3195b3105cde9c?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"1\"></iframe>","width":960,"height":500,"cache_age":3600}