'Initialize the FaxMediaInstance
:returns: twilio.rest.fax.v1.fax.fax_media.FaxMediaInstance
:rtype: twilio.rest.fax.v1.fax.fax_media.FaxMediaInstance'

def __init__(self, version, payload, fax_sid, sid=None):

    super(FaxMediaInstance, self).__init__(version)
    self._properties = {'sid': payload['sid'], 'account_sid': payload['account_sid'], 'fax_sid': payload['fax_sid'], 'content_type': payload['content_type'], 'date_created': deserialize.iso8601_datetime(payload['date_created']), 'date_updated': deserialize.iso8601_datetime(payload['date_updated']), 'url': payload['url']}
    self._context = None
    self._solution = {'fax_sid': fax_sid, 'sid': (sid or self._properties['sid'])}
