{"brand_slug":"volkswagen","brand_name":"Volkswagen","model_slug":"polo","model_name":"Polo","sample_size":239,"price_min":6320,"price_median":19696,"price_max":26450,"thin":false,"price_history":[{"month":"2026-06","median_price":20290,"sample_size":181},{"month":"2026-07","median_price":19696,"sample_size":239}],"generated_at":"2026-07-29T23:31:46.755334Z"}