Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAE6jx3B9lrFrXG+wXH2UduXiPkq3srZSmZor1BNzNy7k5Hr1AKh7Fo/Ecu… (844 chars)"
  }
}