{"item_id":10999,"name":"Goblin book","url":"https://runescapetrader.com/item/10999","unit":"GP","buy_limit":15,"prices":{"instant_buy":{"gp":530,"observed_at":"2026-10-26T01:23:41Z","age_seconds":96955,"status":"stale"},"instant_sell":{"gp":500,"observed_at":"2026-10-26T04:27:37Z","age_seconds":85919,"status":"stale"}},"market_data_updated_at":"2026-10-26T04:47:27Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}