Httpwebrequest get method VB.NET

Dim request2 As System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create("URL")
          request2.Method = "GET"
          request2.ContentType = "application/x-www-form-urlencoded"
          request2.KeepAlive = True
          request2.ContinueTimeout = 10000
          request2.Host = "api.myob.com"
          Dim Header2Collection As WebHeaderCollection = request2.Headers
          Dim BearerAccessToken =  "Bearer " & access_token 
          Header2Collection.Add("Authorization", BearerAccessToken)
          Header2Collection.Add("x-myobapi-key", "MYAPIKEY")
          Header2Collection.Add("x-myobapi-version", "v2")
          Header2Collection.Add("Accept-Encoding", "gzip,deflate")
  		  Header2Collection.Add("Cache-Control", "no-cache")
          Dim postBytes2 As Byte() = New UTF8Encoding().GetBytes(request2.ToString())
  
  		Try
  		    Dim response2 As HttpWebResponse = CType(request2.GetResponse(), HttpWebResponse)
          	Dim receiveStream2 As Stream = response2.GetResponseStream()
          	Dim readStream2 As New StreamReader(receiveStream2)
  	        Dim jsonstring =readStream2.ReadToEnd()