Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAR/5COA2+ZsAUyiOz08rAWUTY+QDzZ8arT3XRkau7SGj93X8k50KKO1Z0n… (1,748 chars)"
  }
}