Custom report theme to control the default

Hi,

I have created the custom report themes in JSON but am unable define the control in JSON please help me

Below is the JSON code which is using now

{
    "name": "C1",
    "dataColors": ["#F17925","#004753","#CCAA14","#4B4C4E","#D82C20","#A3D0D4","#536F18","#46ABB0"],
    "background":"#FFFFFF",
    "foreground": "#004753",
    "tableAccent": "#F17925",
	"visualStyles":{
        "*":{
            "*":{
                "*":[{
                    "responsive":true,
				    "wordWrap":true,
                    "fontSize":11
                }],
			    "wordWrap":[{
				    "show":true
                }],
                "labels":[{
                    "show":true,
                    "labelOrientation":"vertical",
					"labelPosition":"InsideEnd"
                }],
                "categoryAxis":[{
                    "showAxisTitle":true,
					"Gridlines":false
                }],
                "valueAxis":[{
                    "showAxisTitle":true,
					"Gridlines":false
                }]
		    }
	    },
	    "scatterChart":{
		    "*":{
			    "fillPoint":[{
				    "show":true
				}]
		    }
	    },
        "card":{
            "*":{
                "labels":[{
                    "fontSize":27
                }],
                "categoryLabels":[{
                    "fontSize":12
                }]
            }
        },
        "lineChart":{
            "*":{
                "legend":[{
                    "legendMarkerRendering":"lineAndMarker"
                }] 
            }
        },
        "donutChart":{
            "*":{
                "legend":[{
                    "show":true
                }],
                "labels":[{
                    "labelStyle": "Percent of total"
                }]
            }
        },
        "pieChart":{
            "*":{
                "legend":[{
                    "show":true
                }],
                "labels":[{
                    "labelStyle": "Percent of total"
                }]
            }
        }
    }
 }

Regards,

Chetan K