Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCVVtzv+O+fNPVWZ2TQizH6+LQlvfT9Z8r9vn/c4OBQp1A7DD650f/Juxkx… (1,748 chars)"
  }
}