Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFUovr57YKqO9TbYqv+x9Bvm6oy4B/BCH6A5yhA3Zgjt2K/NKpMD80wbf6V… (844 chars)"
  }
}