Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGCNP7pjvghLrKjrz7TU6N4b7M286D4t5jtTlC1mOQFWzZP9E1Xo9dd3j44… (844 chars)"
  }
}