def create(key_body)
      client.ensure_master_key!

      path = ""
      response = access_keys_post(client.master_key, path, key_body)
      client.process_response(response.code.to_i, response.body)
    end
def create(key_body)
      client.ensure_master_key!

      path = ""
      response = access_keys_post(client.master_key, path, key_body)
      client.process_response(response.code.to_i, response.body)
    end
For information on the format of the key_body, see
 https://keen.io/docs/api/#access-keys