Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC8FRmozPnA+H8GN7u7MEpOLwbPLxU7AQC8iew3KFM34kC+aP8ZbSnmYxuB… (844 chars)"
  }
}