Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBFBv0ItFzBM1InXm41p666OwC1nwKOJPH8RHcB7U72QxaVB8jOvqi5aFto… (1,748 chars)"
  }
}