Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDJGtb6UcY9L+esygBD6L8T0XoQDRl7pK2EAGqddm0FYRCXYOYSQfIEvzR2… (844 chars)"
  }
}