{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950858,-0.309628,0.000000,0.000000,0.173248,-0.532039,0.828806,0.000000,-0.256080,0.786413,0.562118,0.000000,-1635043.340092,5021165.030455,3565040.097452,1],    "boundingVolume": {    "region": [1.885516,0.596861,1.885681,0.597030,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388144.b3dm"}}}