Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBtcPd1HdrAkbxQEpq9A4pbKbOm4BNi17zx+w7mNMvKKV/TdAg2BS8SfKkp… (844 chars)"
  }
}