I minted a metaplex NFT but cant get logo to appear in solana explorer

Guys,

This is the address of my NFT. The URI points to a JSON with the path to the image.
https://explorer.solana.com/address/2PkoVYtpnJFJe3uxEBCoB3de2K4BQjbzAyBsRA1JCY93/metadata?cluster=devnet

I can’t get the image to show up in the Solana explorer, as for example, in this other NFT done by someone else:
https://explorer.solana.com/address/5AAEo1Z4rK4LkrKJXYFjxQ6hmUgvse6qdtMDr1ihbh2J

I don’t know where to start. would appreciate any help.

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