Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG/O2kuA8V14JMWXFROgQ4qrEe+m4R0Z4rFDOGkp8XnvEUE+qNBzj2vIIxn… (1,748 chars)"
  }
}