{"datasourcename":null,"districtgroupname":"County","districts":{"davidson":{"boundary":null,"district":"davidson","districtname":"davidson","polsby_popper":null}},"effective_from":"1900-01-01","effective_to":null,"fallback_extent":[-87.01848533180736,35.99070919663403,-86.54959691914341,36.37254625891606],"key":"county","polsby_popper_mean":null,"polsby_popper_worst":null,"source":null,"tier":"county","versions":[]}