code: def load_json(js_path):
      with open(js_path, "r") as f:
          json_data = json.load(f)
      return json_data
  
imports: import vtk
  import json
  import numpy
  import argparse
  import sys
  import subprocess
  from plyfile import PlyData
label_desc: Use image node_id 1 for calling a global function with example usage: load_json(js_path) and returns: json_data