Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEh3nuQI5EyR2TDSF+SvBM/aTeucDq9wrmDr3/JioH9xXnAy4HIUG3VYg5p… (1,748 chars)"
  }
}