{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950515,-0.310678,0.000000,0.000000,0.173732,-0.531531,0.829031,0.000000,-0.257019,0.786345,0.561785,0.000000,-1641036.256472,5020723.392502,3562922.150178,1],    "boundingVolume": {    "region": [1.886654,0.596493,1.886752,0.596592,0.000000,7.826788]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1330168.b3dm"}}}