curl --location --request GET 'https://public.outreach2day.com/campaigns/webhooks/summary?workspaceId&subscriptionId&windowHours' \
--header 'authorization;'{
"window_hours": 0,
"total": 0,
"sent": 0,
"failed": 0,
"dead": 0,
"pending": 0,
"by_event_type": {
"property1": 0,
"property2": 0
},
"property1": "string",
"property2": "string"
}