{"bulletin_id":"59/2026","effective_date":"2026-06-13","gasoline_czk":41.49,"diesel_czk":39.29,"source_url":"https://mf.gov.cz/assets/attachments/2026-06-12_Cenovy-vestnik-59-2026.pdf","imported_at":"2026-06-12 12:01:19.806513+00"}