Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDuyYCE9LnuDTixnYuWop2AoW/3B4DcWcDCE6CzvVjMLFSSf8vWD0fz0k/r… (1,748 chars)"
  }
}