PrePayResponse

{
    "orderNo": "ORDER20231120000001",
    "uniqueOrderNo": "PAY20231120154523001",
    "prePayIn": "{\"appId\":\"wx1234567890abcdef\",\"timeStamp\":\"1700483123\",\"nonceStr\":\"abc123def456\",\"package\":\"prepay_id=wx20231120154523001\",\"signType\":\"RSA\",\"paySign\":\"signature_string_here\"}"
}