curl --request GET \
  --url https://vantage-us.abbyy.com/api/publicapi/v1/transactions/active \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "stage": "ManualReview",
      "stageName": "<string>",
      "reviewerEmail": "<string>",
      "reviewerName": "<string>",
      "transactionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "createTimeUtc": "2023-11-07T05:31:56Z",
      "transactionParameters": [
        {
          "isReadOnly": true,
          "key": "<string>",
          "value": "<string>"
        }
      ],
      "fileParameters": [
        {
          "isReadOnly": true,
          "key": "<string>",
          "value": "<string>"
        }
      ],
      "skillId": "<string>",
      "skillVersion": 123,
      "documentCount": 123
    }
  ],
  "totalItemCount": 123
}