FormParam

{
    "account": "string",
    "terminal": "string",
    "signValue": "string",
    "backUrl": "string",
    "noticeUrl": "string",
    "methods": "string",
    "order_number": "string",
    "order_currency": "string",
    "order_amount": 0,
    "billing_firstName": "string",
    "billing_lastName": "string",
    "billing_email": "string",
    "billing_phone": "string",
    "billing_country": "string",
    "billing_state": "string",
    "billing_city": "string",
    "billing_address": "string",
    "billing_zip": "string",
    "ship_firstName": "string",
    "ship_lastName": "string",
    "ship_phone": "string",
    "ship_country": "string",
    "ship_state": "string",
    "ship_city": "string",
    "ship_addr": "string",
    "ship_zip": "string",
    "productSku": "string",
    "productName": "string",
    "productNum": 0,
    "order_notes": "string",
    "ET_NOTES": "string"
}