curl --request GET \
  --url https://matcher.sandbox.lerian.net/v1/matching/runs/{runId}/groups \
  --header 'Authorization: Bearer <token>'

{
  "hasMore": true,
  "items": [
    {
      "confidence": {},
      "confirmedAt": "<string>",
      "contextId": "<string>",
      "createdAt": "<string>",
      "id": "<string>",
      "items": [
        {
          "allocatedAmount": 123,
          "allocatedCurrency": "<string>",
          "allowPartial": true,
          "createdAt": "<string>",
          "expectedAmount": 123,
          "id": "<string>",
          "matchGroupId": "<string>",
          "transactionId": "<string>",
          "updatedAt": "<string>"
        }
      ],
      "rejectedReason": "<string>",
      "ruleId": "<string>",
      "runId": "<string>",
      "status": "PROPOSED",
      "updatedAt": "<string>"
    }
  ],
  "limit": 20,
  "nextCursor": "eyJpZCI6IjEyMyJ9",
  "prevCursor": "eyJpZCI6IjEyMiJ9"
}