Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC0gzZ0/Hq6HGcwg/y2D+aea4AwcvnBWB+xHuKo0fz0iH+6jpIykMFuIO7X… (844 chars)"
  }
}