{
  "Sg721": {
    "creator": "stars1wjkwyfluzudrtry9x33ujyxw453vrt9vq2q3zj",
    "description": "this is a test collection",
    "image": "ipfs://bafybeih3wsrnthefsy52w5bdtxrggcvd5dlj62isu4iaqsfoyg2qepc6k4/1.jpeg",
    "external_link": null,
    "explicit_content": null,
    "start_trading_time": null,
    "royalty_info": {
      "payment_address": "stars1wjkwyfluzudrtry9x33ujyxw453vrt9vq2q3zj",
      "share": "0.05",
      "updated_at": null
    }
  }
}