Ya lo tienes! Has añadido {product_name}

Leggings

Ref: D-1350068-M - ID: 1150

Para ver los precios debe estar logueado. CLIC AQUÍ

{"1150-1":{"product_id":"1150","product_combination_id":"1","model":"D-1350068-M","supplier_reference":null,"location":null,"ean13":"","part_number":"","gtin":"","upc":"","wholesale_price":null,"price":null,"cost_price":"0.0000","ecotax":"0.000000","quantity":"1","weight":null,"unit_price_impact":"0.00","default_on":"1","minimal_quantity":"1","available_date_unix":"1659995999","status":"1","sort_order":null,"unix_created":"1660044555","unix_updated":"1660044555","stock_provider":"0","stock_ghost":"0","stock_market":"0","pvpr":null,"erp_id":null,"visible_in_list":null,"quantity_x_box":null,"stock":1,"_name":"Talla:M","sku":"1150-1","_attributes":{"talla":"M"},"attributes_name":"M","_attributes_values":{"talla":{"attribute_id":"13","key_word":"talla:::m","attribute_group_id":"1","sort_order":"2","image_path":null,"icon_img":null,"unix_created":null,"erp_id":null,"lang_id":"2","name":"M","url_friendly":null,"description":null,"private_name":null,"meta_custom":null,"meta_description":null,"meta_keywords":null,"meta_title":null,"key":"talla","status":"1","show_in_filters":"1","group_name":"Talla"}},"attributes":[{"group":{"attribute_group_id":"1","sort_order":"2","key":"talla","status":"1","private_name":"","show_in_filters":"1","erp_id":null,"lang_id":"2","name":"Talla","description":null,"title":null},"value":{"attribute_id":"13","key_word":"talla:::m","attribute_group_id":"1","sort_order":"2","image_path":null,"icon_img":null,"unix_created":null,"erp_id":null,"lang_id":"2","name":"M","url_friendly":null,"description":null,"private_name":null,"meta_custom":null,"meta_description":null,"meta_keywords":null,"meta_title":null,"key":"talla","status":"1","show_in_filters":"1","group_name":"Talla"}}],"images":false,"attributes_ids":{"13":13}}}

Talla:

La modelo mide 173 cm y tiene la talla M/38