Why can't I see my image and audio in Testnet Opensea? - smartcontracts

I uploaded my NFT(which have three edition)
and tried to see them in testnet opensea.
But Even they share almost same json but the first one doesn't have image and audio
while the second and third one don't have any issue(they show image and audio)
Below are my nfts
https://testnets.opensea.io/collection/artist4-aitcxdixer
and this is the one which have issue.
https://testnets.opensea.io/assets/rinkeby/0xe3c07b73a720e16fcecde0788db6f369d3f9a41b/0

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See example screenshot from the YouTube analytics built in page:
enter image description here
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Best practice for bulk uploading to Street View Publish API?

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Additional information:
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I'm testing YouTube live streaming API using Java client libraries.
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Cheers, Dmitry.