Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQHCpM52sZXNXTz6r1d+pMtF0J30rl8svYU/PTDKwA+o2DM0DrzdRHQjZ8Ew… (1,748 chars)"
  }
}