BillReqDto

{
    "first_name": "string",
    "middle_name": "string",
    "last_name": "string",
    "address_line1": "1樓, Hong Kong, Wan Chai, Harbour Rd, 18號, Central Plaza",
    "address_line2": "-",
    "country": "AX",
    "state": "string",
    "city": "string",
    "postal_code": "999077",
    "email": "email@hotmail.com",
    "area_code": "+852",
    "phone_number": "string",
    "descriptor": "string"
}