             <div data-bind="foreach: Messages" class="test-output">
                            <div class="header margin-bottom">
                                <span>Message body:</span>
                                <pre data-bind="text: Body" class="margin-top"></pre>
                                <div class="margin-top-sm" data-bind="with: Attributes">
                                    <div data-bind="visible: Id">
                                        <span>Id:</span>
                