Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwADwgH/jWbgAyK4P7gqAv2mFFEzjF5F3z9m0UvnXeT69iyCZjkj/QFaGa//… (844 chars)"
  }
}