<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_instance(self, payload):
 """ Build an instance of CertificateInstance :param dict payload: Payload response from the API :returns: twilio.rest.preview.deployed_devices.fleet.certificate.CertificateInstance :rtype: twilio.rest.preview.deployed_devices.fleet.certificate.CertificateInstance """

        return CertificateInstance(self._version, payload, fleet_sid=self._solution['fleet_sid'], )