Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD6JV/9d3XOhXaJ4EUNFxxYVs2UbTD8OkbGCHjomMLD5xho/TMeifXAi6k/… (1,748 chars)"
  }
}