Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAU4a+YcOqJZCd+7gyE3QAyEORi5bzESQtOWXmm0juKD36GL+27w7i3G1Bb… (1,748 chars)"
  }
}