{"item_id":10589,"name":"Granite helm","url":"https://runescapetrader.com/item/10589","unit":"GP","buy_limit":70,"prices":{"instant_buy":{"gp":186998,"observed_at":"2026-09-11T21:29:49Z","age_seconds":1976,"status":"stale"},"instant_sell":{"gp":40000,"observed_at":"2026-09-11T20:54:22Z","age_seconds":4103,"status":"stale"}},"market_data_updated_at":"2026-09-11T22:02:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}