Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA9EzWlYXIb12w73xWYpxzLFWkVdcDsuqReFFeX8u//8HFzxsJJnu28xNb/… (1,748 chars)"
  }
}