Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQI2inXbAFnpuVxt6VvgbfOGeWM+HNWBt7ChrC/RB+LDPkgZS7y0hC+Jr4Iu… (1,748 chars)"
  }
}