Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCSR6t48jc1bWc2ZhYV8Z/Pz4xnshIYG25lDRFfZIGS9XMRV211nSCQ9vDp… (1,748 chars)"
  }
}