Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBeNaS7iL/vr8unF/26+eF2uyMHawCz9mYnZp1WpeKdNFAs8vp5zAUH9L46… (1,748 chars)"
  }
}