A comment object looks like this:
{
"id": /* The comment's ID */
"author": {
"id": /* The author's user ID */
"username": /* The author's username */
"image": /* The URL of the author's profile picure */
"scratchteam": /* Whether or not the author is a Scratch Team member */
}
"parent_id": /* The parent comment's ID, or null if a top-level comment */
"commentee_id": /* The ID of the user replied to, or null if a top-level comment */
"content": /* The text content of the comment */
"datetime_created": /* The timestamp when the comment was sent */
"datetime_modified": /* The timestamp when the comment was last modified */
"reply_count": /* How many replies the comment has, or 0 for a reply */
}