Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAxDc5yft8jIwtu+QCNcKItkxaGISwS0GxFm1v1Pc4pCVEELlQwCzDKF4XO… (844 chars)"
  }
}