{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949364,-0.314178,0.000000,0.000000,0.175423,-0.530081,0.829603,0.000000,-0.260095,0.785940,0.560936,0.000000,-1660674.349082,5018118.505385,3557524.982350,1],    "boundingVolume": {    "region": [1.890306,0.595383,1.890468,0.595649,0.000000,8.655560]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367227.b3dm"}}}