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

{
  "matchRate": 123,
  "matchRateAmount": 123,
  "matchedCount": 123,
  "totalCount": 123,
  "unmatchedCount": 123
}