Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGpo7uEnbqBLfwkeMXqY6KNfviUlHxwOXYxV6RhRq7q4VxG5ZHqRUg0I6Li… (844 chars)"
  }
}