curl --location --request POST 'http://1.13.162.205:885/yrapi.php/index/user?appkey' \ --data-urlencode 'userid=12345' \ --data-urlencode 'sign=e10adc3949ba59abbe56e057f20f883e'
{ "id": "12345", "username": "商户A", "balance": "1000.50", "create_time": "2025-01-01 12:00:00", "level": 2 }