Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCu+VQFRnF4C9w+mW6tSkp8pzz+aXOSiCgOJmxpa7Towlhc9wmD6aUrJ0BF… (844 chars)"
  }
}