Creates a Stripe session URL for registering a new payment method
The ID of the customer to associate with the payment method
"cus_1234567890"
The ID of the entity (location or business organization) to associate with the payment method
"loc_1234567890"
The type of entity - either location or businessOrganization
location, businessOrganization "location"
Payment method registration URL successfully created
URL to redirect the customer for payment method registration
"https://stripe.com/setup/s/payment/123456789"