Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBYbQ2A5GMz4hXPB3mEbglfrJ0kyfVlN9i3/Ie9OyjB1FOqb6dDhjUuVq5C… (1,748 chars)"
  }
}