I'd like to create a customer with a payment method then store the payment method in the vault
and then to create a subscription for the user
so far I have this:
$rs = \Braintree_Customer::create([
'id' =>$m_id,
'firstName' =>$username,
'paymentMethodNonce' =>$nonce
]);
but this doesn't appear to be storing payment methods in the vault, is the above code correct for storing payment methods in the vault?