Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH+uc293ySZhLrpj9o1QD10pEi5Qy4OkQU8YGdiwO246wCuuHyKAcz5Qs5Q… (1,748 chars)"
  }
}