1. Header
     epSOS CDA AssignedEntity (2.16.840.1.113883.3.1937.777.11.10.114)
    1. Header
       CDA Person (2.16.840.1.113883.3.1937.777.11.10.113)
    2. *
       epSOS CDA Organization (2.16.840.1.113883.3.1937.777.11.10.111)