{}curl --location --request POST 'https://opengw.hgu.edu.cn/com.sudytech.msgcenter/ucp/_web/_apps/ucpmsg/api/v3/sendMessage.rst' \
--header 'sd-appid;' \
--header 'sd-algorithm: MD5' \
--header 'sd-timestamp: 1683537885' \
--header 'sd-signature: fec85b8f8de904bb57dd4e07b87701c6' \
--header 'Content-Type: application/json' \
--data-raw '{}'{}