Pantheon\Terminus\Models\OrganizationUserMembership::serialize PHP Method

    public function serialize()
    {
        $user = $this->getUser();
        $profile = $user->get('profile');
        return ['id' => $user->id, 'first_name' => $profile->firstname, 'last_name' => $profile->lastname, 'email' => $user->get('email'), 'role' => $this->get('role')];
    }