Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBWZWmSq+mBSrclXdsjuAyYJOFqPpSDkt4yrk+8U2Y1fHunRFAO1e9AQgJ6… (1,748 chars)"
  }
}