{ "name": "root" ,"start-offset": 0 ,"children": [ { "name": "direct" , "pop": false , "color": "#e6ecf3" , "border-color": "white" , "text-color": "white" , "size": 3 , "vertical-pos": "top" , "horizontal-pos": "right" , "percent": "38%" }, { "name": "referring" , "pop": true , "color": "#b4c7da" , "border-color": "white" , "text-color": "white" , "size": 3 , "vertical-pos": "bottom" , "horizontal-pos": "left" , "percent": "38%" }, { "name": "search" , "pop": false , "color": "#064685" , "border-color": "white" , "text-color": "white" , "size": 2 , "vertical-pos": "top" , "horizontal-pos": "left" , "percent": "25%" } ]}