docs: function setMessengerProfile (fields) {
    return new Promise (async (resolve, reject) => {
      if (!fields || typeof fields !== 'object') {
        reject('valid fields object required');
      }
      
      try {
        let response = await this.callMessengerProfileApi(fields);
        resolve(response);
      } catch (e) {
        reject(e);
      }
    });
  }