Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF+8M7q++bnBsqT8hMuV5+AWAFlV5Zn7CvS9uxDdDfB60TSrMUiYMIrYs1X… (844 chars)"
  }
}