Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBr0ME/j9o8pFd0mtLdwxxC7sAZ01nXa6Xd9/u+Y74OzT4DB4orYb8HxUUB… (1,748 chars)"
  }
}