Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG1Y92Jhi6K0fisKG+D+H6p13C3R0N4xUUEz4Wn17VxgTFmAq1oh+AeXlW+… (844 chars)"
  }
}