Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQJMhF/dw9QFaI92W0D7draC/pkZ9xEur3/BqCzKbLTfHh0hzYCdumwO79B2… (1,748 chars)"
  }
}