Properties
username(string, optional): The updated username of the user.first_name(string, optional): The updated first name of the user.last_name(string, optional): The updated last name of the user.
Request body for updating an existing User
username (string, optional): The updated username of the user.first_name (string, optional): The updated first name of the user.last_name (string, optional): The updated last name of the user.