Android Question Unable to access List items within Map of JSON data

*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
j

    Dim JsonText As String
    JsonText = $"{
          "item1": "abc",
          "item2": 123,
          "item3": true,
          "item4": [
            "a",
            "b",
            "c"
          ],
          "item5": [
            [
              1,
              2,
              3
            ],
            [
              "x",
              "y",
              "z"
            ],
            [
              {
                "cinco20": [
                  "i",
                  "j",
                  "k"
                ]
              },
              {
                "cinco21": " opq"
              }
            ]
          ]
        }
        "$   
    Log(JsonText.As(JSON).ToMap.Get("item5").As(List).Get(0).As(List).Get(0))
    Log(JsonText.As(JSON).ToMap.Get("item5").As(List).Get(2).As(List).Get(0).As(Map).Get("cinco20").As(List).Get(0))
    Log(JsonText.As(JSON).ToMap.Get("item5").As(List).Get(2).As(List).Get(1).As(Map).Get("cinco21"))

Dim parser As JSONParser
parser.Initialize(<text>)
Dim jRoot As Map = parser.NextObject
Dim item2 As Int = jRoot.Get("item2")
Dim item1 As String = jRoot.Get("item1")
Dim item4 As List = jRoot.Get("item4")
For Each colitem4 As String In item4
Next
Dim item3 As String = jRoot.Get("item3")
Dim item5 As List = jRoot.Get("item5")
For Each colitem5 As List In item5
 For Each colcolitem5 As Int In colitem5
 Next
Next