Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA/iJP5CN72pO2eDNnE+oxGsDVuhNit+IuZnxu17jy8aiNJ4i0aQB5/ub6t… (1,748 chars)"
  }
}