Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDHIn1uC2GR+PwzRfij2x8dC4s1f1sPBr7wVWy60F6ApFZGvAH5MrwzzT/1… (1,748 chars)"
  }
}