query JiraTicketChanges($issueKey: ID!) {
  jiraTicketChanges(issueKey: $issueKey) {
    items {
      id
      author {
        accountId
        displayName
        avatarUrl
      }
      createdAt
      items {
        field
        fieldId
        from
        to
      }
    }
    total
    limit
    offset
    cache {
      source
      stale
      fetchedAt
    }
  }
}

{
  "issueKey": "id"
}

{
  "data": {
    "jiraTicketChanges": {
      "items": [
        {
          "id": "id",
          "author": {
            "accountId": "string",
            "displayName": "string",
            "avatarUrl": "string"
          },
          "createdAt": "string",
          "items": [
            {
              "field": "string",
              "fieldId": "id",
              "from": "string",
              "to": "string"
            }
          ]
        }
      ],
      "total": 1,
      "limit": 1,
      "offset": 1,
      "cache": {
        "source": "LIVE",
        "stale": true,
        "fetchedAt": "string"
      }
    }
  }
}