Edit 
				
					{
   "method":"hub.device.firmware.update",
   "id":"_ID_",
   "params":{
      "updates":[
         {
             "devices":[ "5cf0dc8c7f000068d223e889", "5cf0dc8c7f000068d223e387" ],
             "firmware": [
                {
                    "id":"us.634.246.1",
                    "image" : "https://storage.mios.com/zwave/634_257_10/634.246.1/firmware1.5.bin",
                    "checksum":"https://storage.mios.com/zwave/634_257_10/634.246.1/firmware1.5.bin.sh1"
                },
                {
                    "id":"us.634.246.2",
                    "image" : "https://storage.mios.com/zwave/634_257_10/634.246.2/firmware1.3.bin" ,
                    "checksum":"https://storage.mios.com/zwave/634_257_10/634.246.2/firmware1.5.bin.sh1"
                }
             ]
         }
      ]
   }
}
Edit 
				
					{
    "api": "1.0",
    "error": null,
    "id": "_ID_",
    "result": {}
}