Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDZaDsviH4Xft+IX/GmqvWR9c/+e2urtbzVADSxeaEtqwXcqnxUp5qJClwh… (1,748 chars)"
  }
}