Formatting the Result of a Procedure in DB2API

{
    "statusCode": 200,
    "statusDescription": "OK",
    "numRows": 0,
    "data": [ {} ],
    "result": [
        {
            "data": {
                "columnNames": [
                    "xxx", "yyy"
                ],
                "numRows": 2,
                "result": [
                    {
                        "xxx":"aaa", "yyy":"bbb"
                    },
                    {
                       "xxx":"ccc", "yyy":"ddd"
                    }
                ]
            }
        }
    ],
    "elapsedTime": 6,
    "errors": []
}

-------------------------------------------
JOLT: compare the 'result' value to the 'select' result (this operation is meaningful only if it returns a single result set)
--------------------------------------------

[
  {
    "operation": "shift",
    "spec": {
      "statusCode":"statusCode",
      "statusDescription":"statusDescription",
      "result": {
        "*": {
          "data": {
            "columnNames":"columnNames",     
            "numRows":"numRows",
            "result": "data"
          }
        }
     },

       "elapsedTime":"elapsedTime",
       "errors":"errors"
    }
  }
]

--------------------------------------------
RESULT
--------------------------------------------

{
  "statusCode" : 200,
  "statusDescription" : "OK",
  "columnNames" : [ "xxx", "yyy" ],
  "numRows" : 2,
  "data" : [ {
    "xxx" : "aaa",
    "yyy" : "bbb"
  }, {
    "xxx" : "ccc",
    "yyy" : "ddd"
  } ],
  "elapsedTime" : 6,
  "errors" : [ ]
}