@Override
    public void fromData(DataInput in,
        DeserializationContext context) throws IOException, ClassNotFoundException {
      super.fromData(in, context);
      regionPath = DataSerializer.readString(in);
      op = Operation.fromOrdinal(in.readByte());
    }
This class processes the message to be delivered to admin node. [This needs to be redesigned and
reimplemented... see 32887]

@since GemFire 5.0
geode-core/src/main/java/org/apache/geode/admin/internal/SystemMemberCacheEventProcessor.java