Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZLmHIScj8RByi/y5mNYzKuLWfiJ9E9wkZh7Zxl9eRA36EqtXzQQ6fq+UQ… (844 chars)"
  }
}