Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCcM/eBHG9lLaEvQdkqrCcFjc7BGcWIxJZIq2/XH9jkQTKlk4U/QvnTOT1/… (1,748 chars)"
  }
}