Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG63SbFDaObTAIifCmWN3X1rinVTSCuwMNEDI2K2YyFPm9nCaxirQoiR1k/… (1,748 chars)"
  }
}