Laravel and JSON-API formatting

app.Exception.Handler.php

<?php
    /**                                                                                                                                                    
     * Render an exception into an HTTP response.                                                                                                          
     *                                                                                                                                                     
     * @param  \Illuminate\Http\Request  $request                                                                                                          
     * @param  \Exception  $exception                                                                                                                      
     * @return \Illuminate\Http\Response                                                                                                                   
     */                                                                                                                                                    
    public function render($request, Exception $exception)                                                                                                 
    {                                                                                                                                                      
        if ($request->expectsJson() || $request->acceptsAnyContentType()) {                                                                                
            if ($exception instanceof \Illuminate\Auth\Access\AuthorizationException) {                                                                    
                return response()->json(['errors'=>[ ['status'=>403, 'title'=>'Forbidden'] ]], 403);                                                       
            }                                                                                                                                              
            if ($exception instanceof \Illuminate\Database\Eloquent\ModelNotFoundException) {                                                              
                return response()->json(['errors'=>[ ['status'=>404, 'title'=>'Not Found'] ]], 404);                                                       
            }                                                                                                                                              
            if ($exception instanceof \Illuminate\Validation\ValidationException) {                                                                        
                $errors = [];                                                                                                                              
                foreach($exception->errors() as $field => $err) {                                                                                          
                    $errors[] = ['status'=>422, 'source'=>$field, 'title'=>'Validation Exception', 'message'=>$err[0]];                                    
                }                                                                                                                                          
                return response()->json(['errors'=> $errors ], 422);                                                                                       
            }                                                                                                                                              
                                                                                                                                                           
        }                                                                                                                                                  
        return parent::render($request, $exception);                                                                                                       
    }