{"entities":{"Q549":{"pageid":620,"ns":120,"title":"Item:Q549","lastrevid":630,"modified":"2026-03-13T20:41:36Z","type":"item","id":"Q549","labels":{"en":{"language":"en","value":"RDA Class"}},"descriptions":{"en":{"language":"en","value":"A class to represent RDA classes."}},"aliases":{},"claims":{},"sitelinks":{}}}}