Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBCB6aPnP9dxbaA9F3dzqDJL4qSF7Dm4DPk2tDj1lHb6mESyQMEOBZnQj1Z… (1,748 chars)"
  }
}