Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAbp7jnOwhBhktrdfN+eAqPM5xlPphPpmv6pqmkKENzc3wez7lc2Wd2SFD/… (1,748 chars)"
  }
}