curl --request POST \
  --url https://api.example.com/v2/updates/transaction-by-offset \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "offset": 123,
  "requestingParties": [
    "<string>"
  ]
}
'

{
  "transaction": {
    "updateId": "<string>",
    "effectiveAt": "<string>",
    "events": [
      {
        "ArchivedEvent": {
          "offset": 123,
          "nodeId": 123,
          "contractId": "<string>",
          "templateId": "<string>",
          "witnessParties": [
            "<string>"
          ],
          "packageName": "<string>",
          "implementedInterfaces": [
            "<string>"
          ]
        }
      }
    ],
    "offset": 123,
    "synchronizerId": "<string>",
    "recordTime": "<string>",
    "commandId": "<string>",
    "workflowId": "<string>",
    "traceContext": {
      "traceparent": "<string>",
      "tracestate": "<string>"
    },
    "externalTransactionHash": "<string>",
    "paidTrafficCost": 123
  }
}