The allowed keys (value format) are: pinned (bool); (only for discussions) whether to pin this discussion or not discussionsubscribe (bool); whether to subscribe to the post or not inlineattachmentsid (int); the draft file area id for inline attachments in the text attachmentsid (int); the draft file area id for attachments
The allowed keys (value format) are: pinned (bool); (only for discussions) whether to pin this discussion or not discussionsubscribe (bool); whether to subscribe to the post or not inlineattachmentsid (int); the draft file area id for inline attachments in the text attachmentsid (int); the draft file area id for attachments