Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC2uPv4OO1U71+7QooG4cGCDvh/Hugx9aEWZ/2TIl6r2Rs+EtHclrNp7NuJ… (1,748 chars)"
  }
}