curl --location 'https://saas-open.vhall.com/v3/interacts/players/set-watermark-config' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'type=2' \
--data-urlencode 'webinar_id=713278820' \
--data-urlencode 'watermark_open=0' \
--data-urlencode 'img_url=https://cnstatic01.e.vhall.com/upload/common/static-imgs/c0/e7/c0e7569408de296971eb4b98945c240b.png' \
--data-urlencode 'img_alpha=100' \
--data-urlencode 'img_position=2' \
--data-urlencode 'img_size=1' \
--data-urlencode 'app_key=' \
--data-urlencode 'sign={{sign}}' \
--data-urlencode 'signed_at={% mock 'timestamp' , 's' %}' \
--data-urlencode 'sign_type=0'{
"code": 200,
"msg": "",
"data": {},
"request_id": "baf170ef-bca1-4a12-8c6f-ed112e5f0f9e"
}