<soap:Header xmlns:wsa="http://www.w3.org/2005/08/addressing">
  <wsa:To>https://tools.rki.de/SurvStat/SurvStatWebService.svc</wsa:To>
  <wsa:Action>http://tools.rki.de/SurvStat/SurvStatWebService/{{command}}</wsa:Action>
</soap:Header>