{"item_id":21504,"name":"Giant seaweed","url":"https://runescapetrader.com/item/21504","unit":"GP","buy_limit":11000,"prices":{"instant_buy":{"gp":65,"observed_at":"2026-09-11T22:11:03Z","age_seconds":1673,"status":"stale"},"instant_sell":{"gp":65,"observed_at":"2026-09-11T22:20:07Z","age_seconds":1129,"status":"stale"}},"market_data_updated_at":"2026-09-11T22:38:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}