Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCgH/dpFvduWEtz1OOa+9tMXgnd92W3EFbabguC5qMTWSCCvGT4Dtz1gRnV… (1,748 chars)"
  }
}