{ "user_id": "user_5", "num_feedback": 0, "diet": { "vegetarian_type": "non_vegetarian" }, "allergies": [], "region_preference": [ "Asia", "Europe" ], "nutritional_goals": { "calories": { "min": 200, "max": 1000 }, "protein": { "min": 30, "max": 100 } }, "other_preferences": { "preferred_main": [ "chicken", "salmon", "egg" ], "disliked_main": [ "tomato" ], "cooking_time_max": 60 } }