Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCM5zdqOUGO9v2VufkCsZFEzwS0vVSNfhLt6d3qBvinJgARPM62KNg/f9Vx… (1,748 chars)"
  }
}