Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBZIbj66qARRUtJOWnVi4vf/NLfc5N2PJusKCKmtfPsiTWRPVk8yQYF9Mq1… (1,748 chars)"
  }
}