Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF8wGnE2V7QY/BdN/U3uYRldLVxu2RQu19EIDC9kREvsg/kijmY4RNGjBYv… (844 chars)"
  }
}