Scrape one idealista listing (Spain, Italy, Portugal)

Given an idealista listing id (with country) or URL, returns the listing as JSON: title, locationLine, operation, propertyType, price + currency (+ pricePeriod), originalPrice/priceDropPercent, pricePerM2, priceDetails (the price breakdown idealista shows, e.g. community fees or deposit), area, usableArea, rooms, bathrooms, floor, lift, builtYear, energyRating, features (every feature group idealista lists), description, address, coordinates (locationApproximate when the advertiser hid the exact spot), images, floorPlans, multimediaCounts, advertiser (name, type, reference, agency page) and updated. A listing its advertiser removed answers 404. Billed one unit.