Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEXLVP0C5k8voBnWQxUWEFO+fOdpFSxlCEP8HzyhpI231H+JprvbfT+D5c5… (1,748 chars)"
  }
}