{"item_id":6979,"name":"Granite (500g)","url":"https://runescapetrader.com/item/6979","unit":"GP","buy_limit":100,"prices":{"instant_buy":{"gp":29,"observed_at":"2026-09-12T22:17:40Z","age_seconds":178,"status":"fresh"},"instant_sell":{"gp":29,"observed_at":"2026-09-12T21:42:54Z","age_seconds":2264,"status":"stale"}},"market_data_updated_at":"2026-09-12T22:20:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}