Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwALYYeev6lKUbKA/C9Jk3Q5jIWuKKHQkkVbqNgKaTT2KHvFHIRkWIZqJrZ3… (844 chars)"
  }
}