Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEKWp/n62dsB//fzWtGKCYQhuWb7FPXOXWQkP030Q4SgzcMAcf3V7nOXQy8… (1,748 chars)"
  }
}