URN -> comment

URN urn:opendata:comment
Description Comment to any object
Example urn:opendata:comment:user@example.com:c74ad7e0b87c012f5ca9827a5a6cc0c57ec13568
Name Description Example of filling
object_urn URN of the object to which the comment is written (hash, domain, email) d2e32af144a80a31e782d558e303970a0eebe82a
text_markdown