Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDz7QIAGSwSWic/irCczYXFyeL3tq3Tjs0gwo6RzuoGh1vQQzXYRucgeuav… (1,748 chars)"
  }
}