Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD/l8VyiYFUgAQ9/UQEEPNn2v4cfkLxUhfu8XWAa9KTcjPgxOFswMyKhXKR… (1,748 chars)"
  }
}