{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950468,-0.310821,0.000000,0.000000,0.173887,-0.531734,0.828868,0.000000,-0.257086,0.786151,0.562026,0.000000,-1641467.861484,5019489.122126,3564451.762206,1],    "boundingVolume": {    "region": [1.886804,0.596784,1.886902,0.596883,0.000000,7.222950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1395920.b3dm"}}}