{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949564,-0.313573,0.000000,0.000000,0.174963,-0.529823,0.829864,0.000000,-0.259677,0.786356,0.560547,0.000000,-1658001.397522,5020767.708149,3555049.685761,1],    "boundingVolume": {    "region": [1.889669,0.594913,1.889831,0.595178,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1457288.b3dm"}}}