curl --location --request PATCH 'http://dev-cn.your-api-server.com/packs/123/systemConnection' \
--header 'Content-Type: application/json' \
--data-raw '{
"token": "string",
"type": "header"
}'
{
"maskedToken": "string",
"headerName": "string",
"tokenPrefix": "string",
"type": "header"
}