A technology is provided for delivering a data object to device. Data delivery instructions to distribute a data object to a device may be received at a delivery service and include a storage location of the data object, a messaging topic, and a size of data receivable by the device. The data object is then divided into blocks corresponding to the size of data receivable by the device. A messaging topic is identified to which the device is subscribed via a messaging service. The blocks are sent to the device using the messaging topic and a network protocol installed on the device.