Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC5TIgkBMcmBbdwx/7o980V7U2b4iv6Lbgvpse577+gyAmkClYYYLKpY4Gn… (1,748 chars)"
  }
}