Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCkDPO+ZVi0O+H6o4RS+Zq4cHqn8B5kE6lwDGxixi8JRUFn5+SaY3Vvf6Vq… (1,748 chars)"
  }
}