Role Check API

Description of Requirement:

When users purchase items in Smile One, they need to fill in the information such as the role ID and server ID. Smile One requires the merchant to provide API and the following parameters to query whether the role exists or not, to ensure that the user can purchase the product correctly.

Return example：

// success
{
    "status": 200,
    "nickname": "testname",
    "error": ""
}
// error
{
    "status": 201, // Check Appendix 1
    "nickname": "xxx",
    "error": "cause of error"
}