public virtual void Authenticate(IRestClient client, IRestRequest request)
{
var tokenProxy = new TokenProxy();
var token = tokenProxy.RetrieveToken(this.ClientId, this.ClientSecret);
request.AddAuthorization(string.Format(CultureInfo.CurrentCulture, "{0} {1}", token.TokenType, token.Token));
request.AddAccountId(this.PublisherId);
}