curl --request GET \
  --url https://matcher.sandbox.lerian.net/v1/reports/contexts/{contextId}/summary \
  --header 'Authorization: Bearer <token>'

{
  "matched_count": 123,
  "unmatched_count": 123,
  "total_amount": "<string>",
  "matched_amount": "<string>",
  "unmatched_amount": "<string>"
}