Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCX6WfsGlt7QkXMfNg9B7PZo1pcd+mn9xJlr/eA4HNKgivKuo6WZ9AfOTF+… (1,748 chars)"
  }
}