{"item_id":1939,"name":"Swamp tar","url":"https://runescapetrader.com/item/1939","unit":"GP","buy_limit":13000,"prices":{"instant_buy":{"gp":4,"observed_at":"2026-09-11T21:42:14Z","age_seconds":237,"status":"fresh"},"instant_sell":{"gp":3,"observed_at":"2026-09-11T21:40:38Z","age_seconds":333,"status":"fresh"}},"market_data_updated_at":"2026-09-11T21:45:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}