Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBpI5XLNwR81KUJ/m11b3QXWiZVOaqYoSc31jdwVAHON3+2XGOOTVih1bdX… (1,748 chars)"
  }
}