Is it possible to display store.size in dashboard

Versions (relevant - OpenSearch/Dashboard/Server OS/Browser): Opensearch 2.10/Amazon Linux 2/Chromium 116

Describe the issue: I would like to display the store.size of an index in a dashboard. Similar to what is displayed in the index management app in the indices section

Currently I am running a python script to call the _cat/indices API and store the result in an index named qa-index-stats in Opensearch. Here is what the index looks like:

Is it possible to edit the advanced json of a dashboard in the Dashboard management in Saved objects?

If not, is there another way to accomplish this?


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