Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQATSe+2auVtqUT3NkNjHkYoO3OVfAWOU4Vz8tlD3lWOzQRV0n9alpsiRTl/… (1,748 chars)"
  }
}