curl --location --request POST 'http://test.merchant.center.mf178.cn/api/merchant/releaseBlackout' \
--header 'appSecret: 790a423c81774f6811' \
--header 'Content-Type: application/json' \
--data-raw '{
"app_key": "82162472761",
"timestamp": "",
"sign":"sgsdsg3aasdgdsgsdfs434343efset43",
"type":2,
"target":"271033053900076829"
}'