GameManager.cs

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.Networking;

public class GameManager : MonoBehaviour
{
    [SerializeField]
    public PlayerJson playerJson;
    [SerializeField]
    public PlayerInfo playerInfo;

    [SerializeField]
    public string gameDataProjectFilePath = "/data.json";

    private void Start()
    {
        StartCoroutine(GetText());
    }

    [ContextMenu("ShowJsonPlayerJson")]
    public void ShowJsonPlayerJson()
    {
        playerJson.SaveToString();
    }

    [ContextMenu("ShowJsonPlayerInfo")]
    public void ShowJsonPlayerInfo()
    {
        playerInfo.SaveToString();
    }

    private IEnumerator GetText()
    {
        using (UnityWebRequest www = UnityWebRequest.Get("http://thegamingworld.info/"))
        {
            yield return www.Send();

            if (www.isNetworkError || www.isHttpError)
            {
                Debug.Log(www.error);
            }
            else
            {
                // Show results as text
                Debug.Log(www.downloadHandler.text);

                string dataAsJson = www.downloadHandler.text;

                string JSONToParse = "{\"values\":" + dataAsJson + "}";

                Debug.Log(JSONToParse);

                PlayerInfo auxPI = JsonUtility.FromJson<PlayerInfo>(JSONToParse);

                print(auxPI.values[0].id);
                print(auxPI.values[0].nome);
                print(auxPI.values[0].senha);
            }
        }
    }

    //[ContextMenu("CreateObj PlayerInfo")]
    //public void CreateObj()
    //{
    //    string filePath = Application.dataPath + gameDataProjectFilePath;


    //    if (File.Exists(filePath))
    //    {
    //        string dataAsJson = File.ReadAllText(filePath);

    //        string JSONToParse = "{\"values\":" + dataAsJson + "}";

    //        Debug.Log(JSONToParse);

    //        PlayerInfo auxPI = JsonUtility.FromJson<PlayerInfo>(JSONToParse);

    //        foreach (PlayerJson item in auxPI.values.ToList())
    //        {
    //            Debug.Log(
    //                string.Format("{0}{1}{2}",
    //                item.id,
    //                item.nome,
    //                item.senha
    //                    ));

    //        }

    //    }

    //}

    //[ContextMenu("CreateObj PlayerJson")]
    //public void CreateObjJson()
    //{
    //    string filePath = Application.dataPath + gameDataProjectFilePath;

    //    if (File.Exists(filePath))
    //    {
    //        string dataAsJson = File.ReadAllText(filePath);

    //        Debug.Log(dataAsJson);

    //        //PlayerJson pla = PlayerJson.CreateFromJSON(dataAsJson);
    //        PlayerJson auxPJ = JsonUtility.FromJson<PlayerJson>(dataAsJson);
    //        Debug.Log(
    //            string.Format("{0}{1}{2}",
    //            auxPJ.id,
    //            auxPJ.nome,
    //            auxPJ.senha
    //                ));

    //    }

    //}

}

[System.Serializable]
public class PlayerInfo
{
    public PlayerJson[] values;

    public static PlayerJson CreateFromJSON(string jsonString)
    {
        Debug.Log(jsonString);
        return JsonUtility.FromJson<PlayerJson>(jsonString);
    }

    public string SaveToString()
    {
        Debug.Log(JsonUtility.ToJson(this));
        return JsonUtility.ToJson(this);
    }
}

[System.Serializable]
public class PlayerJson
{

    [SerializeField]
    public string id;
    [SerializeField]
    public string nome;
    [SerializeField]
    public string senha;

    public static PlayerJson CreateFromJSON(string jsonString)
    {
        Debug.Log(jsonString);
        return JsonUtility.FromJson<PlayerJson>(jsonString);
    }

    public string SaveToString()
    {
        Debug.Log(JsonUtility.ToJson(this));
        return JsonUtility.ToJson(this);
    }
}