{"entities":{"Q556":{"pageid":619,"ns":120,"title":"Item:Q556","lastrevid":638,"modified":"2025-11-20T23:44:35Z","type":"item","id":"Q556","labels":{"en":{"language":"en","value":"RDA Class"}},"descriptions":{"en":{"language":"en","value":"A class to represent RDA classes."}},"aliases":{},"claims":{},"sitelinks":{}}}}