1. Entry
     CDA Participant (Body) SDTC (2.16.840.1.113883.10.12.821)
    1. Entry
       CDA Device SDTC (2.16.840.1.113883.10.12.815)
    2. Entry
       CDA PlayingEntity SDTC (2.16.840.1.113883.10.12.813)