NewsArticle structured data isn’t working

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I am currently working on a site that is approved in Google News Publisher Center. I have implemented newsArticle structured data using Yoast, but when I put it into the structured data testing tool So the news article schema is not showing.

https://validator.schema.org/#url=https%3A%2F%2Ftechalert24.com%2F2021%2F10%2Famazon-great-indian-festival-will-begin-tonight-for-prime-members-only.html

https://search.google.com/test/rich-results?id=qstPnjx8uL9YkFf29eVRzg

please help me out to get newsArticle schema.