Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAK4os+TpUTg5yhpB/6H9lp0z2PLLv5d4mIifPHge8k9VbqO79GJW6ZmSoO… (1,748 chars)"
  }
}