{"schema_version":1,"airport":"SC21","entries":[{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"4a430902f51f","priority":"fyi","category":"airport","kind":"changed","summary":"land area: none -> 9 acres","source":"APT_BASE","fields":[{"field":"ACREAGE","old":"","new":"9"}]}],"first_cycle":"2026-05-14","last_cycle":"2026-05-14"}