dn: changeNumber=123,cn=changelog
objectClass: top
objectClass: changelogentry
...something not important....
changes: BASE64_TEXT

##</code><code>##

replace: A
A: new_value
-
add: NEW_VAR
NEW_VAR: ABC
-
delete: ABC
-
replace: history
history: 1
history: 2
history: 3
-