public function unprovision()
 {
     $url = self::BASE_URL . $this->company_id;
     $response = send_curl_request('DELETE', $url);
 }
 public function unprovision()
 {
     $url = self::BASE_URL . 'watchcity/' . $this->external_city_id;
     $response = send_curl_request(false, $this->subscription_service->company_token, 'DELETE', $url);
 }