{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948732,-0.316081,0.000000,0.000000,0.176399,-0.529471,0.829785,0.000000,-0.261729,0.785591,0.560664,0.000000,-1671100.077163,5015890.222433,3555796.576937,1],    "boundingVolume": {    "region": [1.892344,0.595076,1.892440,0.595299,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1073832.b3dm"}}}