{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949840,-0.312737,0.000000,0.000000,0.174569,-0.530199,0.829708,0.000000,-0.258935,0.786434,0.560780,0.000000,-1653265.123583,5021272.478804,3556532.208666,1],    "boundingVolume": {    "region": [1.888787,0.595262,1.888951,0.595393,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355858.b3dm"}}}