Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFtKC/mfyg1I3rr5nz3+FP7qy/3yrlg1qCZ9auD8LEqemRXSp5QrNTv3wwB… (844 chars)"
  }
}