[{"districtgroup":"us_house","districtgroupname":"US House","districts":{"03":"Congressional District 3","04":"Congressional District 4","06":"Congressional District 6"},"n_districts":3,"n_polygons":"3","tier":"federal"},{"districtgroup":"state","districtgroupname":"State","districts":{"tn":"Tennessee"},"n_districts":1,"n_polygons":"1","tier":"state"},{"districtgroup":"state_house","districtgroupname":"State House","districts":{"025":"District 25"},"n_districts":1,"n_polygons":"1","tier":"state"},{"districtgroup":"state_senate","districtgroupname":"State Senate","districts":{"015":"District 15"},"n_districts":1,"n_polygons":"1","tier":"state"},{"districtgroup":"county","districtgroupname":"County","districts":{"cumberland":"Cumberland County"},"n_districts":1,"n_polygons":"1","tier":"county"},{"districtgroup":"county_commission","districtgroupname":"County Commission","districts":{"1":"District 1","2":"District 2","3":"District 3","4":"District 4","5":"District 5","6":"District 6","7":"District 7","8":"District 8","9":"District 9"},"n_districts":9,"n_polygons":"9","tier":"county"},{"districtgroup":"municipality","districtgroupname":"Municipality","districts":{"bowman":"Bowman","crab_orchard":"Crab Orchard","crossville":"Crossville","fairfield_glade":"Fairfield Glade","lake_tansi":"Lake Tansi","mayland":"Mayland","pleasant_hill":"Pleasant Hill"},"n_districts":7,"n_polygons":"7","tier":"municipal"}]