Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQENfM1Y0rj+Y8F3/2qurRJVdfdFn6sRrHWt14w6aA7BxVLUM+XD1QuyA57b… (1,748 chars)"
  }
}