Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+aBXYGkrX1dcF9URFdnnvOTE3fqZTHJgjhRPM6Xj0PmCVz9jCz25XJRvn… (844 chars)"
  }
}