Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBwS7yA7s3S/UkS/n+GKtu7dLRjtgkcqdnC/+g6h4p7MQaP6X+IVhOqn8vY… (1,748 chars)"
  }
}