Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQABrNW92MFd8hPHogxd4dGkvzpX2EvHPga1NhI+0PeodVZAcGe3aTAu4owJ… (1,748 chars)"
  }
}