Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAkBK6qalERQd9mf0b+6V1MXy6YaKBDAsZKZ/4Wx8oUWUmVe9LvEFw5mPGm… (844 chars)"
  }
}