Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC6t0IxPbFpxu+NECA0GT0Dh1AVRKfA85Rjf4WqAPBbOztvuFHCI0XJ2biA… (1,748 chars)"
  }
}