trade_no	Y	string
amount	N	string
time	N	string
sign	Y	string

success
{
    " status ":200,
    " order_info":[
        "trade_no":"1111111111111111",
        "game_order":"a123123131231",
        "order_status":"200",
        "amount ":"12.9",
        "productid":"XXX-XXXXX-XXXXX",
        "currency ":"BRL",
        "pay_time":"1569499929",
    ] ，
    " error ":0,
}
error
{
    "status": 202, 
    "order_info": "",
    "error": 
}