Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE5kASbHq4TrUilPV8Tk/2hhjYRbIAIy4P8r21J4xhwPE9RLl4geI6JkmfQ… (1,748 chars)"
  }
}