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

{
  "breakdowns": {
    "byAge": [
      {
        "bucket": "<string>",
        "value": 123
      }
    ],
    "byReason": {},
    "byRule": [
      {
        "count": 123,
        "id": "<string>",
        "name": "<string>"
      }
    ],
    "bySeverity": {}
  },
  "summary": {
    "criticalExposure": "<string>",
    "matchRate": 123,
    "oldestExceptionAgeHours": 123,
    "pendingExceptions": 123,
    "totalMatches": 123,
    "totalTransactions": 123
  },
  "trends": {
    "dates": [
      "<string>"
    ],
    "exceptions": [
      123
    ],
    "ingestion": [
      123
    ],
    "matchRates": [
      123
    ],
    "matches": [
      123
    ]
  },
  "updatedAt": "<string>"
}