Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBrHK3S3sHdXR/oRfQ41+/q7P6LbPETbPiKPjNQVuqhoyDfZCs6eyp3ppJN… (1,748 chars)"
  }
}