Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBd6cjYTf70HcRC90cNdS5DGtvL4BZCQxA/x1sZv4yi1lBN9mNGRlE8ODP+… (1,748 chars)"
  }
}