{"variants": [{"config_id": "8a9d54d3dc6a03b2f80b13ae", "item_type": 10303, "name_es": "Extracción mejorada", "name_en": "Improved Extraction", "internal_name": "BuildingUpgradeFasterExtraction", "forced_rarity_code": 5}], "sources": [], "scope": "Base nominal; referencias authored, spawns activos no confirmados."}