<?xml version="1.0" encoding="UTF-8"?>
<sos:GetObservationById xmlns:sos="http://www.opengis.net/sos/1.0"
  xmlns:om="http://www.opengis.net/om/1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.opengis.net/sos/1.0 http://schemas.opengis.net/sos/1.0.0/sosAll.xsd"
  service="SOS" version="1.0.0" srsName="EPSG:4326">
  <sos:ObservationId>urn:MyOrg:Observation:5678</sos:ObservationId>
  <sos:resultModel>om:Observation</sos:resultModel>
</sos:GetObservationById>