Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBSvxMafbbwWNzbomh8CZdfhOOwBQUso0nk3Sfc45ZRtw/wY8PbRlf4y6Sg… (1,748 chars)"
  }
}