Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCUE5UPy5vBcDbhPfmqsIOsHPgf2CyNyLgqt+K5hgX0EW6VXIf7Oqz0v1qd… (1,748 chars)"
  }
}