Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFDTK+XJCrlP7dmXYXH7oU3XyAeyBkGu/Dz0zc2jgI2Ti+wWJ8bSKpYbef7… (844 chars)"
  }
}