Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQI9h2F5FHOa3CUa+aJvyOYGqRX31pWELQk+BN5sV8A+/GGLcH75+5/7f6L3… (1,748 chars)"
  }
}