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;
}
