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     BC CDA authenticator (2.16.840.1.113883.3.1937.99.61.21.10.18)
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       BC CDA AssignedEntity (2.16.840.1.113883.3.1937.99.61.21.10.17)
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         BC CDA Person (2.16.840.1.113883.3.1937.99.61.21.10.14)