Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDXnyezEiPSvjTkwxGw/tFuoNI4zqrAhFlZEsSuTWjKf0EFTTmV/Ic5PMYe… (844 chars)"
  }
}