src/ApiClient.php
public function SignupUser($moniker, $mailer_id = null)
    {
        $endpoint = '/user/signup';
        $postdata = array("moniker" => $moniker, "mailer_id" => $mailer_id);
        return $this->executePostRequest($endpoint, $postdata);
    }
public function SignupUser($moniker, $mailer_id = null)
    {
        $endpoint = '/user/signup';
        $postdata = array("moniker" => $moniker, "mailer_id" => $mailer_id);
        return $this->executePostRequest($endpoint, $postdata);
    }
Sign up a user for a chance to participate in the beta.

@param string $moniker Something to uniquely identify the user, usually an email address.
@return type