{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944305,-0.329072,0.000000,0.000000,0.183935,-0.527821,0.829200,0.000000,-0.272292,0.781368,0.561534,0.000000,-1738550.145763,4988943.599044,3561325.517834,1],    "boundingVolume": {    "region": [1.906060,0.596201,1.906174,0.596276,0.000000,8.760794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_730048.b3dm"}}}