Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEzFjN0VYPrGLfXLhAac3jNw2m03vtIHTNJT+fXO/6+GGd/XMR7Lf3xUf5X… (844 chars)"
  }
}