NFT owner, Unichain. Owner of an NFT on Unichain: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or an airdrop; for how many a wallet holds use unichain_nft_balance, for the token's metadata unichain_nft_metadata. A missing contract is 404, a token that does not exist 422, both uncharged.

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