this is an embed in the original article and must be converted into iframe so when telegram will support tumblr widget it will work out of the box. my template handles this better. here are some example links with the same embed:
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https://hollywoodlife.com/2015/09/01/taylor-swift-easter-eggs-wildest-dreams-music-video-references/
https://hollywoodlife.com/2015/08/04/zac-efron-one-direction-video-drag-me-down-high-school-musical-tumblr/