How to validate the inference output for the input data?

Here is my input.json:

```
{
  "data": [
    {
      "input": [ [1.0], [2.0], [3.0], [4.0], [5.0] ]
    }
  ],
  "validation_data": [
    {
      "output": [ [2111.0], [311.0], [14.0], [15.0], [16.0] ]
    }
  ]
}
```
my model `return {"output": x + 1}`, 
but perf analyzer show nothing about validation.
