Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDzN2g3uw3fwLUPJW3bTUl+Ezf3s6jvqkOhJGvc1slrkCgW5FgsOJi1CXep… (1,748 chars)"
  }
}