{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950584,-0.310466,0.000000,0.000000,0.173645,-0.531666,0.828962,0.000000,-0.256822,0.786337,0.561886,0.000000,-1639780.892129,5020674.106627,3563565.192823,1],    "boundingVolume": {    "region": [1.886431,0.596615,1.886529,0.596714,0.000000,11.035601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1394262.b3dm"}}}