Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCgZdR9bT0/U6rZZ3BT1O8j7fR6tPf8r5QV/jig+HA8SnERgzXwJ5CKeXvy… (1,748 chars)"
  }
}