Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGc1dI5zrjEqZ4uu/4AFWw7hOJVVgzLRB1kUdbnKslbQwc8b8zLyxlTbsuC… (1,748 chars)"
  }
}