Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwERL+0XM8p/RU20/D3vA7mY4Yq+TvtNyN6AEk1SxinPznrmg4prpIFGTfnN… (844 chars)"
  }
}