Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGVIQrZ+XTkrMf0ZG9tUORpBZ0hZZKewK32aR9pIslZuSGBx9A4IlEvTwkQ… (844 chars)"
  }
}