docs: def decode_body(body, content_type):
          """Decode event body"""
  
          if isinstance(body, dict):
              return body
          else:
              try:
                  decoded_body = base64.b64decode(body)
              except:
                  return body
  
              if content_type == 'application/json':
                  try:
                      return json.loads(decoded_body)
                  except:
                      pass
  
              return decoded_body