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

{
  "totalUnmatchedAmount": "<string>",
  "byCurrency": [
    {
      "currency": "USD",
      "amount": "<string>",
      "transactionCount": 123
    }
  ],
  "byAge": [
    {
      "bucket": "0-24h",
      "amount": "<string>",
      "transactionCount": 123
    }
  ]
}