How scrape meta tag?

[TXXXXTTT]

I need to scrape description from Instagram. But I dont know how to use Element Attribute Selector.
Attribute name?
Selector?

Url: https://www.instagram.com/p/B3RI2omnpyP/

[webber]

Here:

{"_id":"instagram-temp","startUrl":["https://www.instagram.com/p/B3RI2omnpyP/"],"selectors":[{"id":"meta-tag","type":"SelectorElementAttribute","parentSelectors":["_root"],"selector":"meta[name=\"description\"]","multiple":false,"extractAttribute":"content","delay":0}]}

[TXXXXTTT]

{"_id":"instagram-temp","startUrl":["https://www.instagram.com/p/B3RI2omnpyP/"],"selectors":[{"id":"meta-tag","type":"SelectorElementAttribute","parentSelectors":["_root"],"selector":"meta[name="description"]","multiple":false,"extractAttribute":"content","delay":0}]}

Thanks