Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDvVsXCqQkzJxVhz2VmbmENW34cIRFJCcmYmXoF0Yx83SZUxFwtY2l669J2… (1,748 chars)"
  }
}