Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA+iA3eCvnaL8IY9fe77yIVI+r8CvriDt6QEtfq8oOTTDppKHIf2aFRW3LF… (1,748 chars)"
  }
}