Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC2+OBYoq0d5baAYM3+3a/XF5qUQWSvi93u4gLX7zgQ8iJSgm1IUbOjNxTQ… (844 chars)"
  }
}