Simple
M6-A
{"name": "RAMA WORKS M6-A","vendorId": "0x5241","productId": "0x006a","lighting": "none","matrix": { "rows": 1, "cols": 6 },"layouts": {"keymap": [["0,0", "0,1", "0,2"],["0,3", "0,4", "0,5"]]}}
Above is the definition for the M6-A which doesn't support any lighting, has 1 row and 6 columns and whose KLE is 2 rows of keys.