{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949024,-0.315203,0.000000,0.000000,0.175974,-0.529828,0.829648,0.000000,-0.260958,0.785702,0.560869,0.000000,-1666181.409904,5016598.030162,3557097.250596,1],    "boundingVolume": {    "region": [1.891398,0.595382,1.891536,0.595488,0.000000,8.715443]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_1072142.b3dm"}}}