{
"source_id": "string",
"cardholder_name": "string",
"reference_id": "string",
"billing_address": {
"address_line_1": "string",
"address_line_2": "string",
"locality": "string",
"administrative_district_level_1": "string",
"postal_code": "string",
"country": "US"
}
}