{"data":[{"jurisdictionTag":"county:47139","state":"TN","level":"county","geoid":"47139","fips":"47139","displayName":"Polk County","aliases":["Polk County","Polk"],"geometryKey":"POLK","source":"tn-counties.geojson","caveat":""}],"meta":{"generatedAt":"2026-09-27T22:49:54.293Z","source":"canonical-jurisdictions","releaseId":null,"schemaVersion":"1.0.0","rowCount":1,"hasMore":false,"limit":250,"offset":0,"total":1,"registryCountyEquivalentCount":3144,"contract":"county:<five-digit Census GEOID>"}}