<message>
<guid>{{$msg.guid}}</guid>
<parent_guid>{{$msg.parent_guid}}</parent_guid>
+ {{if $msg.parent_author_signature}}
+ <parent_author_signature>{{$msg.parent_author_signature}}</parent_author_signature>
+ {{/if}}
<author_signature>{{$msg.author_signature}}</author_signature>
<text>{{$msg.text}}</text>
<created_at>{{$msg.created_at}}</created_at>