{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950437,-0.310917,0.000000,0.000000,0.173678,-0.530912,0.829439,0.000000,-0.257345,0.786671,0.561179,0.000000,-1643111.753210,5022793.854698,3559071.244754,1],    "boundingVolume": {    "region": [1.886905,0.595752,1.887004,0.595868,0.000000,8.793385]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1424976.b3dm"}}}