need vizualize the JSON:
"last_send_date": "2019-07-10 12:58:00.0",
"last_send_date" in metric or table widget. Or my field was not listed in fields dropdown list.
Solution for Top Hit work with number only.
How to display a latest string value in Kibana metric visualize widget?
Or how to convert string to date or number by filter? Or what?