def METHOD_NAME(resp_data):
    """
    Given a string response from SESAME, parse out the coordinates by looking
    for a line starting with a J, meaning ICRS J2000 coordinates.
    Parameters
    ----------
    resp_data : str
        The string HTTP response from SESAME.
    Returns
    -------
    ra : str
        The string Right Ascension parsed from the HTTP response.
    dec : str
        The string Declination parsed from the HTTP response.
    """
    pattr = re.compile(r"%J\s*([0-9\.]+)\s*([\+\-\.0-9]+)")
    matched = pattr.search(resp_data)
    if matched is None:
        return None, None
    else:
        ra, dec = matched.groups()
        return ra, dec