app.post('/predixcall', function(req, res){

    var list = req.body.list;
    var id= req.body.vesselId;

    var requestInfo = {
        tags: []
    };


    for(var i = 0; i < list.length; i++){
        requestInfo.tags.push({
            "name": list[i],
            "filters": {
                "attributes": {
                    "id": id
                }
            },
            "order": "asc"
        });
    }

    request.post({
            uri:'http://localhost:3000/api',
            headers:{
                'Content-Type': 'application/text; charset=utf-8'
            },
            body: JSON.stringify(requestInfo)
        },function (error, response, body) {
            console.log('Error is ', error);
            res.send(JSON.parse(response.body));
        }
    );
});

Error is  undefined { Error: Parse Error
    at Error (native)
    at Socket.socketOnData (_http_client.js:363:20)
    at emitOne (events.js:96:13)
    at Socket.emit (events.js:188:7)
    at readableAddChunk (_stream_readable.js:176:18)
    at Socket.Readable.push (_stream_readable.js:134:10)
    at TCP.onread (net.js:548:20) bytesParsed: 754, code: 'HPE_UNEXPECTED_CONTEN
T_LENGTH' }