Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCji0WyiSkeR9UE2WKGHJ1hxV0/Ju+l2Oa8tICivJYsVGkpTGCGcBzJy0ZM… (1,748 chars)"
  }
}