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.