Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQABzdF0jmFZNiIC4B3iWUXoAUY1+d2L2z5bH5PqqT0RPSWuMlWAlVPD0b7c… (1,748 chars)"
  }
}