Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCzp9UloxJc9gvfh5ELb0sSzRZ1xqgbTumco7NfY5hepWNTlfwkjXHDAyLx… (1,748 chars)"
  }
}