无法提取4级深度嵌套JSON数组中的名称

def extract_names(json_data):
    names = []
    
    def recursive_extract(data):
        if isinstance(data, dict):
            for key, value in data.items():
                if isinstance(value, list):
                    recursive_extract(value)
                elif isinstance(value, dict):
                    recursive_extract(value)
                elif key == "name":
                    names.append(value)
        elif isinstance(data, list):
            for item in data:
                recursive_extract(item)
    
    recursive_extract(json_data)
    
    return names