this.node = this.d3Graph.append("g")
                .attr("class", "nodes")
                .selectAll("circle")
                .data(Nodes)
                .enter()
                .append("svg:image")
                .attr("xlink:href", 'https://seeklogo.com/images/T/twitter-2012-negative-logo-5C6C1F1521-seeklogo.com.png')
                .attr("height", 50)
                .attr("width", 50)
                .append("text")
                .attr("x", 20)
                .attr("y", 20)
                .attr("fill", "black")
                .text("test text");

   this.force.on('tick', this.tickActions);


 tickActions() {
  this.node
      .attr("transform", function(d) {
   return "translate(" + d.x + "," + d.y + ")";
  })

    this.force
        .restart()
}