curl --location 'https://pay-gateway1.uat.useepay.com/applepay/merchantSession' \
--header 'Content-Type: application/json' \
--data '{
"carrierId": "www.pay.com",
"amount": "12.46",
"currencyCode": "USD",
"initiativeContext": "checkout3.dev.useepay.com",
"merchantNo": "500000000007245",
"signType": "MD5",
"sign": "867f2ee515ce69c516406002cad5816d",
"applepayMerchantIdentifier": "merchant.com.xiaolong.useepay"
}'{}