{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950554,-0.310558,0.000000,0.000000,0.173684,-0.531611,0.828990,0.000000,-0.256907,0.786339,0.561846,0.000000,-1640321.034788,5020682.454334,3563306.576754,1],    "boundingVolume": {    "region": [1.886528,0.596566,1.886625,0.596665,0.000000,18.047987]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1392852.b3dm"}}}