curl --request POST \
  --url http://localhost:8000/api/v1/debug/assistant-functions/get-campaign-metrics \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "google_ads_customer_id": "<string>",
  "campaign_id": "<string>",
  "google_ads_login_customer_id": "<string>",
  "days": 365
}
'

{
  "success": true,
  "data": "<string>",
  "execution_time_ms": 123
}