Required to complete the following achievements:
{"item_id": "73846", "name": "Elder Dragons and Star Navigation Theories Vol. III", "type": "CraftingMaterial", "level": "0", "rarity": "Exotic", "vendor_value": "66", "icon_file_id": "1301964", "icon_file_signature": "9D6A6E076F19C9F1E9566DFF5DB66BC940BA7F17", "upgrade_recipes": [], "game_types": ["Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "NoMysticForge", "NoSalvage", "NoSell", "DeleteWarning", "AccountBindOnUse"], "restrictions": []}