private void btnParse_Click(object sender, EventArgs e) { UserInfo user; jwt = new JWTAuthentication(txtSecretKey.Text); user = jwt.ParseToken <UserInfo>(txtToken.Text); txtId.Text = user.Id.ToString(); txtEmail.Text = user.Email; txtFirstName.Text = user.FirstName; txtLastName.Text = user.LastName; txtHeader.Text = jwt.HeaderJson; txtPayload.Text = jwt.PayloadJson; }