{"item_id":4099,"name":"Mystic hat (dark)","url":"https://runescapetrader.com/item/4099","unit":"GP","buy_limit":70,"prices":{"instant_buy":{"gp":41916,"observed_at":"2026-09-12T23:01:38Z","age_seconds":431,"status":"fresh"},"instant_sell":{"gp":41007,"observed_at":"2026-09-12T23:02:19Z","age_seconds":390,"status":"fresh"}},"market_data_updated_at":"2026-09-12T23:08:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}