Download Page Txt using webclient vb.net - vb.net

Question

Im trying to download a simple web page as text using Weblcient but all time i get a problem,
i think the problem in the user-agent but when i set one for the weblclient i get the same problem
the page httpheader Capture :
GET /wp-json/binlist/v1/441442/?_wpnonce=335f68c9e2 HTTP/1.1
Host: binlist.org:443
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: _ga=GA1.2.1639241798.1540059335
User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.0.1617 Safari/537.36
HTTP/1.1 200
access-control-allow-headers: Authorization, Content-Type
access-control-expose-headers: X-WP-Total, X-WP-TotalPages
allow: GET
alt-svc: quic=":443"; ma=86400; v="43,39"
cache-control: max-age=0
content-encoding: gzip
content-length: 221
content-type: application/json; charset=UTF-8
date: Sat, 22 Jun 2019 10:02:14 GMT
expires: Sat, 22 Jun 2019 10:02:13 GMT
host-header: 192fc2e7e50945beb8231a492d6a8024
link: <https://binlist.org/wp-json></https:>; rel="https://api.w.org/"
server: nginx
set-cookie: wpSGCacheBypass=0; expires=Sat, 22-Jun-2019 09:02:13 GMT; Max- Age=0; path=/
status: 200
vary: Accept-Encoding
x-cache-enabled: True
x-content-type-options: nosniff
x-proxy-cache: MISS
x-robots-tag: noindex
x-wp-nonce: 335f68c9e2
my code :
Private Sub Button4_Click(sender As Object, e As EventArgs) Handles Button4.Click
Dim webClient As New System.Net.WebClient
webClient.Headers("User-Agent") = "Mozilla/5.0 (Windows NT 5.1; rv:11.0) Gecko Firefox/11.0 (via ggpht.com GoogleImageProxy)"
Dim result As String = WebClient.DownloadString("https://binlist.org/wp-json/binlist/v1/441442/?_wpnonce=a7ddc554d3")
RichTextBox3.Text = result
End Sub