{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950887,-0.309538,0.000000,0.000000,0.173181,-0.532003,0.828843,0.000000,-0.256017,0.786473,0.562063,0.000000,-1634643.974926,5021547.434984,3564686.982663,1],    "boundingVolume": {    "region": [1.885421,0.596793,1.885586,0.596962,0.000000,8.657288]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387738.b3dm"}}}