Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCkbOPJEcbzFpmU+SL2IHPBVRV2jOZKBBqpgrwOChYRw1O+kkxE7m+YhrH9… (1,748 chars)"
  }
}