Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDzOfZFFnKhqTvF8gNPM/Lnj0HYkNUliJgyYA0FFGJyJDGK/OhfUr0Lx0l+… (844 chars)"
  }
}