Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD3IEFBBg21L8UvOtW2fIvW6smLvTHieY6uRJ18et2DOU1ZawJ0kDCCinbZ… (1,748 chars)"
  }
}