Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDqK7XmV1B+RH3rJ3Lkf8KywNhVCk+sa9DCMu8sldzZ0nS6LefRWf62i+d9… (1,748 chars)"
  }
}