Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDUkRU50ZybxFH+S+bLhWZk6MAPLpBFf6mrM6UiU0MZfnAPbejCXXUasvu+… (1,748 chars)"
  }
}