curl --location --request POST 'https://api.feige.cn/sendsms/balance' \
--header 'X-Api-Key: ' \
--header 'X-Timestamp: ' \
--header 'X-Nonce: ' \
--header 'X-Sign: ' \
--header 'Content-Type: application/json'{
"code": 0
"msg": "ok",
"balance": 10000
}