Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH8Db184lQq+WOZcVGiukvNWMb1XF4bPy3bIT1gZc4XYUcSZvCw01kTw6kL… (844 chars)"
  }
}