Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB0XYvhExgKWwEIEbSvKS/QuMDU38aW9FwFceSi+fzzK0+6iGJAQZBqPMBk… (1,748 chars)"
  }
}