Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAGlw1f1G+3YA2Zu7MVA/AT4eCp2m6yWF8MhC2syk3CJAlFkYqvq+Xqohh/… (1,748 chars)"
  }
}