Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCGCneA7zF+0hzEcm3BGKmi0YthOVkcpS+bMzKe1SRAeVD4mR8hFzibicDp… (1,748 chars)"
  }
}