async def METHOD_NAME() -> None:
    """Extract Registrant info from a JWT."""
    TEST_KEY = "the key for this test is this key"
    TEST_AUDIENCE = "peanut gallery"
    reg = Registrant(subject="abc", agent="def", agent_id="hij")
    token = create_jwt(TEST_KEY, timedelta(days=1), reg, TEST_AUDIENCE)
    assert registrant_from_jwt(token, TEST_KEY) == reg