Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBhNBsKLPOkpz1znMo+2GqS+2QrxaJ5Cy4w3B1keCNUPjmFs1bqvnJvOkU8… (1,748 chars)"
  }
}