query TimelineEntry($customerId: ID!, $timelineEntryId: ID!) {
  timelineEntry(customerId: $customerId, timelineEntryId: $timelineEntryId) {
    id
    customerId
    threadId
    timestamp {
      unixTimestamp
      iso8601
    }
    entry {
      __typename
      ... on NoteEntry {
        noteId
        text
        markdown
        attachments {
          __typename
        }
        isEdited
        editedAt {
          __typename
        }
      }
    }
    actor {
      __typename
      ... on UserActor {
        userId
        user {
          __typename
        }
      }
    }
  }
}

{
  "customerId": "id",
  "timelineEntryId": "id"
}

{
  "data": {
    "timelineEntry": {
      "id": "id",
      "customerId": "id",
      "threadId": "id",
      "timestamp": {
        "unixTimestamp": "string",
        "iso8601": "string"
      },
      "entry": {
        "__typename": "NoteEntry",
        "noteId": "id",
        "text": "string",
        "markdown": "string",
        "attachments": [
          {
            "__typename": "Attachment"
          }
        ],
        "isEdited": true,
        "editedAt": {
          "__typename": "DateTime"
        }
      },
      "actor": {
        "__typename": "UserActor",
        "userId": "id",
        "user": {
          "__typename": "User"
        }
      }
    }
  }
}