Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB4xwR+obcNYOi1m6yCxsAd5fpJwviG0eMZ0LGS0S23LXMpBAs47FW46P2p… (1,748 chars)"
  }
}