curl --location 'https://developer.salesmartly.com/api/v2/set-line-app-proxy' \
--header 'external-sign;' \
--form 'project_id="example-project-id"' \
--form 'id="2001"' \
--form 'is_proxy="1"' \
--form 'host="proxy.example.com"' \
--form 'port="1080"' \
--form 'account=""' \
--form 'password=""' \
--form 'proxy_type="socks5"'{
"code": 0,
"msg": "success",
"request_id": "example-request-id",
"data": {}
}