How to serialize and deserialize JSON in VB?

Question

I’m trying to serialize and deserialize JSON in VB, but I’m not getting the only thought code of deserializar is not working

---

Imports System.Net
Imports System.IO
Imports System.Web.Script.Serialization

Public Class Form1
    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Dim uriString As String = "https://api.github.com/users/VitorHugoFra"
        Dim uri As New Uri(uriString)

        Dim Request As HttpWebRequest = CType(WebRequest.Create(uri), HttpWebRequest)
        Request.Method = "GET"

        Dim Response As WebResponse = Request.GetResponse()

        Dim Read = New StreamReader(Response.GetResponseStream())
        Dim Raw As String = Read.ReadToEnd()
        Dim dict As Object = New JavaScriptSerializer().Deserialize(Of List(Of (Object, ))(Raw)


        For Each item As Object In dict
            TextBox1.Text += item("login").ToString + "-" + item("location").ToString + vbNewLine
        Next
    End Sub


End Class