Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG0zRbRUeqiH2sL5R0thxvArDF3TUKrnI/4YehxBhd7qm7DnUxGdHJHA2c4… (1,748 chars)"
  }
}