Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH4RGTmkq0zs4GbnwSI2vLQPvW7USPuoBtKRq7rH+wlgmXJF/wcSQgXB0nF… (844 chars)"
  }
}