Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCU2mv24Lz7VUwiJmEjjhEMFwqSWAZWzm3HqyJ8Ft6CYkhvuwRtyYmN+kJ9… (1,748 chars)"
  }
}