author of the post/comment being submitted (account name).
body of the post/comment being submitted, or diff-match-patch when updating.
JSON object string.
the author that comment is being submitted to, when posting a new blog this is an empty string.
specific post that comment is being submitted to, when posting a new blog this become the category of the post (tags[0]).
unique string identifier for the post, linked to the author of the post.
human readable title of the post being submitted, this is often blank when commenting.
Generic operation.