Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBKjhUDkc11jYIJTsN/qcFJZi5J8Sj+hJB4HX8nBNhQTgbKhC1Ilo+e3Ymc… (844 chars)"
  }
}