Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDMPaQz3iRb70BRFlO8fwyUH6OgPAAE4G8gBKa0HnKpxV+vwJOp+Yv5hqfy… (844 chars)"
  }
}