{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858197,-0.513320,0.000000,0.000000,0.262500,-0.438863,0.859356,0.000000,-0.440347,0.736197,0.513916,0.000000,-2811078.113292,4699719.121899,3258763.759984,1],    "boundingVolume": {    "region": [2.109763,0.539681,2.109927,0.539806,0.000000,52.491300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_301888.b3dm"}}}