小程序订阅一次性消息，发送报错47001，报错如下：

"data":{"result":"{\"errcode\":47001,\"errmsg\":\"data format error hint: [nldUWa08713951]\"}"}}

请求参数：

$touser = $shop_member['xwxopenid'];

$template_id = 'wx4cHI3eQdxEEE1ddvROjP9cHAvYBcoEivcaJkjc7To'

            $one '恭喜您获得一笔新的奖励佣金'
            $two = $order['pay_money'];
            $three = $order['goodsname'];
            $four = '请查看详细信息'
            $url = 'https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token='$access_token;
            $data = '{
                  "touser":"'$touser'",  
                  "template_id":"'$template_id'",
                  "page": "pages/index/index",
                  "data": {
                      "thing1": {
                          "value":"'$one'"
                      }, 
                      "amount2": {
                          "value":"'$two'" 
                      }, 
                      "thing3": {
                          "value":"'$three'"
                      } , 
                      "thing4": {
                          "value":"'$four'" 
                      },
                  }
                }'