Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAVhrZm8Op8HYeDpIFAGt4Ep5UenPOCQYGj6Dh/XF1RCEivSksi9zFtcx4c… (1,748 chars)"
  }
}