{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950512,-0.310687,0.000000,0.000000,0.173854,-0.531885,0.828778,0.000000,-0.256947,0.786101,0.562160,0.000000,-1640580.223084,5019170.991293,3565302.562551,1],    "boundingVolume": {    "region": [1.886663,0.596946,1.886761,0.597044,0.000000,7.518736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_1396948.b3dm"}}}