Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHUK/JAuxVi9Kz5pi/eyVrtb4dN4xH/yB8k7Q5IUG8wsTWA6w1zCQj1LcgF… (1,748 chars)"
  }
}