public function setSessionData(array $sessionData)
    {
        if (isset($sessionData['sessionId'], $sessionData['sequenceNumber'], $sessionData['securityToken'])) {
            $this->sessionData['sessionId'] = $sessionData['sessionId'];
            $this->sessionData['sequenceNumber'] = $sessionData['sequenceNumber'];
            $this->sessionData['securityToken'] = $sessionData['securityToken'];
            $this->isAuthenticated = true;
        } else {
            $this->isAuthenticated = false;
        }

        return $this->isAuthenticated;
    }