If you are using cisco_top_one_million_sites then you can check the result via :  |inputlookup alexa_lookup_by_str   br  ... View more

I got an other approach.  It seems that this update events are getting stored into the audit trail .  So you can find the content of the notes with the search:   index="_audit" source=mc_notes   br  ... View more

I hade the same issue.  For me upgrading to Es7.3.2 did solve the issue.    Br  ... View more