{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950893,-0.309521,0.000000,0.000000,0.173173,-0.532013,0.828838,0.000000,-0.256001,0.786473,0.562070,0.000000,-1634540.034001,5021548.395892,3564732.980985,1],    "boundingVolume": {    "region": [1.885402,0.596802,1.885568,0.596971,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387830.b3dm"}}}