curl --request GET \
  --url https://mainnet.mirrornode.hedera.com/api/v1/tokens/{tokenId}/nfts

{
  "nfts": [
    {
      "account_id": "0.1.2",
      "created_timestamp": "1234567890.000000001",
      "delegating_spender": "0.0.400",
      "deleted": false,
      "metadata": "VGhpcyBpcyBhIHRlc3QgTkZU",
      "modified_timestamp": "1610682445.003266001",
      "serial_number": 124,
      "spender_id": "0.0.500",
      "token_id": "0.0.222"
    }
  ],
  "links": {
    "next": null
  }
}