from typing import Dict


def __construct_robot_message_subject(serial_number: str, uuid: str) -> Dict[str, str]:
    """Generates a robot subject for a plate event message.

    Arguments:
        serial_number {str} -- The robot serial number.
        uuid {str} -- The robot uuid.

    Returns:
        {Dict[str, str]} -- The robot message subject.
    """
    return {
        "role_type": "robot",
        "subject_type": "robot",
        "friendly_name": serial_number,
        "uuid": uuid,
    }