Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHoZiIvU3vZ0Xo1fXlSy/jM0oZdL7lWXN02JNM/qsMbVGFsQzOJAjVCv/uQ… (844 chars)"
  }
}