{
"GameId": "string",
"HashName": "string",
"UnitPrice": 0.01,
"Count": 1,
"WearMin": 0,
"WearMax": 0,
"Style": 0,
"SteamId": "string",
"TradeLink": "string",
"IsSupportPreSale": true,
"FadeMin": 0,
"FadeMax": 0,
"PartnerId": "string",
"Timestamp": "string",
"Sign": "string",
"ServiceProviderId": "string",
"OpenID": "string"
}