sporel-lib-core.maps-test/assets/tiles/demo_tilemap.tilemap.json

{
  "id": "demo_tilemap",
  "tile_size": 32,
  "tiles": [
    {"id": "grass", "walkable": true,  "color": [110, 170, 80]},
    {"id": "stone", "walkable": false, "color": [120, 120, 120]}
  ]
}