structure request
    string fieldList value,timeStamp
structure request
    string fieldList value,timeStamp
    string extra junk
structure parent
    structure child1
        string value bla
    structure child2
        string value bla
structure parent
    structure child1
        string Joe Good Guy
        string Mary Good Girl
    structure child2
        string Bill Bad Guy
        string Jane Bad Girl
structure parent
    structure child1
        string Joe Good Guy
        string Mary Good Girl
    structure child2
        string Joe Bad Guy
        string Jane Bad Girl
structure parent
    structure child1
        string Joe Good Guy
        string Mary Good Girl
    structure child2
        string Jane Bad Girl
pvField:  totalConstruct 15 totalDestruct 15
field:  totalConstruct 110 totalDestruct 110