Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBheI+c5h70FGWWA2o6D7FbV+k/NFGHoNKJifucGcTjqh22PyLtC8XqZSeA… (1,748 chars)"
  }
}