{
  "customerId": "external-customer-123",
  "customerName": "Acme Corporation",
  "primaryEmailAddress": "billing@acme.com",
  "offeringId": "off_01234567-89ab-cdef-0123-456789abcdef",
  "billingAddress": {
    "line1": "123 Main St",
    "city": "San Francisco",
    "state": "CA",
    "postalCode": "94102",
    "country": "US"
  }
}