在下面的JSON中，我在ChefChili游戏中付款，用我的信用卡购买虚拟货币（我不在付款测试人员列表中）。这显示为欺诈，而这是我付出的真实款项。
JSON代码的输出：
{
id: "382606235186483",
user: {
name: "Abhishek Srivastava",
id: "100001441415841"
},
application: {
name: "ChefChili",
namespace: "chefchili",
id: "193512574007560"
},
actions: [
{
type: "charge",
status: "completed",
currency: "USD",
amount: "1.00",
time_created: "2013-07-26T11:36:49+0000",
time_updated: "2013-07-26T11:36:51+0000"
}
],
refundable_amount: {
currency: "USD",
amount: "1.00"
},
items: [
{
type: "IN_APP_PURCHASE",
product: "https://chefchili.mediaagility.com/product_desc.html",
quantity: 10
}
],
country: "IN",
created_time: "2013-07-26T11:36:49+0000",
fraud_status: "UNKNOWN",
payout_foreign_exchange_rate: 1
}
也可以任何人告诉我这是"fraud_status:UNKNOWN"?是什么以及为什么显示"refundable_amount"？