{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950938,-0.309383,0.000000,0.000000,0.172805,-0.531143,0.829473,0.000000,-0.256085,0.787118,0.561128,0.000000,-1635068.605522,5025648.692571,3558747.514110,1],    "boundingVolume": {    "region": [1.885267,0.595639,1.885413,0.595858,0.000000,8.813426]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1421836.b3dm"}}}