Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEHAUffnXUzPX6CztpIrqenUP61/GD3PMi6jOIYmzFgwALmZ+0L2mLx2l4G… (844 chars)"
  }
}