{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949092,-0.314998,0.000000,0.000000,0.175833,-0.529787,0.829704,0.000000,-0.260806,0.785811,0.560786,0.000000,-1665212.982416,5017295.979593,3556569.864030,1],    "boundingVolume": {    "region": [1.891183,0.595281,1.891320,0.595388,0.000000,8.631938]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1374766.b3dm"}}}