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.