Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC+vY2OxTqCzI8+DwbUmjsuc/xHPMcXlK0sOmWpObPe0CqIvYF2LGXa2+j+… (1,748 chars)"
  }
}