baseModelLoad.js

static load(token) {
  return new Promise((resolve, reject) => {
    this._createQuery().get(token).then((data) => {
      resolve(new this(data));
    }, (err) => {
      if (err.code === 101) {
        resolve(null); // model with token does not exist.
      } else {
        reject(new Error(err));
      }
    });
  });
}