sse.js

var EventSource = require("eventsource")
var source = new EventSource("https://bitgraph.network/s/ewogICJ2IjogMywKICAicSI6IHsKICAgICJmaW5kIjogeyJvdXQuYjAiOiB7ICJvcCI6IDEwNiB9LCAib3V0LmUuYSI6ICJxenc1ZWR6N3F1MDl1cHFlaHU0dHZ4ODJraGM5azAwejJ1MHRxOXU4Y2QifQogIH0sCiAgInIiOiB7CiAgICAiZiI6ICJbLltdIHwge21zZzogLm91dFswXS5zMX1dIgogIH0KfQ==");
source.onmessage = function(event) {
  var data = JSON.parse(event.data)
  console.log(data);
  console.log(data.type);
  if (data.type == "mempool") {
    var key = data.data[0].msg;
    if (key == "z") {
      key = "A"
    }
    if (key == "x") {
      key = "B"
    }
  }
}