{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950849,-0.309654,0.000000,0.000000,0.172939,-0.531040,0.829511,0.000000,-0.256321,0.787082,0.561072,0.000000,-1636576.731366,5025413.916458,3558388.230516,1],    "boundingVolume": {    "region": [1.885552,0.595570,1.885698,0.595790,0.000000,8.230134]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/11_1340494.b3dm"}}}