Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGRYcmSh/Pxb9OvBZwZrO6wsO75Uxs7UD+uOUMNwmJdsgg8vuwjQ+PlyS84… (844 chars)"
  }
}