/wms/mock/helloworld?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-67.593,-176.248,83.621,182.893&CRS=EPSG:4326&WIDTH=515&HEIGHT=217&LAYERS=Country,Hello&STYLES=,&FORMAT=image/png;%20mode=8bit&DPI=96&TRANSPARENT=TRUE