Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAWg/knLQg3J99CXbk3T1T60PXHRtCwjQbNNerj3R2GnDeytxjiFOkJu2yZ… (1,748 chars)"
  }
}