Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDGAd2PKPfwUx/nJFEAB8gANUuvBIZE0AI8Pp/L+6E1S3x7IFGYf/p3TFE2… (1,748 chars)"
  }
}