Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEXY8SdRrbbM0uPP70w+QO4+jevITxdZ3n7ViKv4BEIfWNsX0oT6znBRW3k… (844 chars)"
  }
}