{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950447,-0.310887,0.000000,0.000000,0.173425,-0.530196,0.829949,0.000000,-0.257479,0.787168,0.560420,0.000000,-1643968.559988,5025951.797422,3554246.707605,1],    "boundingVolume": {    "region": [1.886832,0.594820,1.887014,0.594966,0.000000,8.810721]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1449113.b3dm"}}}