{"item_id":30831,"name":"Contract of Catalyst Acquisition","url":"https://runescapetrader.com/item/30831","unit":"GP","buy_limit":50,"prices":{"instant_buy":{"gp":145000,"observed_at":"2026-09-11T20:23:58Z","age_seconds":16151,"status":"stale"},"instant_sell":{"gp":120000,"observed_at":"2026-09-12T00:23:43Z","age_seconds":1766,"status":"stale"}},"market_data_updated_at":"2026-09-12T00:52:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}