$bsetup = new BillingSetup([
'payments_account_info' => new PaymentsAccountInfo([
'payments_account_name' => new StringValue(['value' => 'Account XXXXX']),
'payments_profile_id' => new StringValue(['value' => '9506-5628-XXXX'])
]),
'start_time_type' => TimeType::NOW,
'end_time_type' => TimeType::FOREVER
]);