{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950275,-0.311412,0.000000,0.000000,0.173714,-0.530089,0.829958,0.000000,-0.257916,0.787034,0.560408,0.000000,-1646757.411157,5025094.285639,3554168.671083,1],    "boundingVolume": {    "region": [1.887425,0.594820,1.887524,0.594937,0.000000,8.790312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1451971.b3dm"}}}