curl --request POST \
  --url https://coreapi-dev.us.bcpapers.ca/mfa/admin/rollout/pilot \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "group_id": "<string>"
}
'

{
  "current_enrollment": 123,
  "enforced_at": "<string>",
  "enrollment_threshold": 123,
  "pilot_enrolled_pct": 123,
  "pilot_group_id": "<string>",
  "pilot_size": 123,
  "pilot_success_pct": 123,
  "stage": "<string>"
}