Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBQtq0znlEF1cBFEMFlSOGggfHBFt5Qdy1CE5zFw7BaVlMmzoh6Yfuv/+kO… (844 chars)"
  }
}