Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEoGHfyOt7rhqQ+Zjpj7OMQv4zZ9X0nXT8PiLz4grmRwWAy5mrmtOEbNeXF… (844 chars)"
  }
}