Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCXt8q2FWJW34FOY+OBHdQYy9RcQ4+uJ+eSlSwoaFzXiFpTa5v9YI9Yh0WS… (844 chars)"
  }
}