Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE99Ql3xCyO8eSgkCJhD9G7KKOHCwn6gjs+C+dJM8hKs2osXVzRj87Y0dbi… (844 chars)"
  }
}