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{
  "content_url": "https://nftnova.org/nft/gramcard/v/3.mp4",
  "description": "Access key to private chat",
  "name": "Gram Card #188",
  "image": "https://nftnova.org/nft/gramcard/i/3.jpg",
  "buttons": [
    {
      "label": "Enter chat",
      "uri": "https://t.me/gramcardbot"
    }
  ]
}