CounterOfferCreateAndPayParam

{
    "GoodsNum": "string",
    "AssetId": "string",
    "Amount": 0,
    "SteamID": "string",
    "AllowUseWaitSettlementMoney": true,
    "PartnerId": "string",
    "Timestamp": "string",
    "Sign": "string",
    "ServiceProviderId": "string",
    "OpenID": "string"
}