Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH4i6wJRr3VMm+yk2dTXAJsn0cW6vkVUCHtFZyuzec9Xg4q5RE+x0OQ9/zx… (1,748 chars)"
  }
}