Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFG7fk6+O+YXuKeqaw9oSGTICMEyaEtVvnFs1xE39hXDwcCMYI8ER2cGtlB… (1,748 chars)"
  }
}