Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBUGcTwOIgaGsp2GJ5HjAGZSVQ6U0tQRMAI8otAWaGztQeR9aaKVmhiG932… (1,748 chars)"
  }
}