{"item_id":21490,"name":"Seaweed spore","url":"https://runescapetrader.com/item/21490","unit":"GP","buy_limit":600,"prices":{"instant_buy":{"gp":321,"observed_at":"2026-09-11T17:06:14Z","age_seconds":3142,"status":"stale"},"instant_sell":{"gp":260,"observed_at":"2026-09-11T17:51:37Z","age_seconds":419,"status":"fresh"}},"market_data_updated_at":"2026-09-11T17:58:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}