Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH8znFEOd2OpHy+1mdJpBcooF4wFH/47umTIdlGcDgWBFDRqZ1WcLjYzUE+… (1,748 chars)"
  }
}