Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGT92lYvfwV1iWbjb6HtMqDWNL/rtK6vkwDJBlS0uD+kxEj9zyAft0Hucv5… (844 chars)"
  }
}