{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950529,-0.310634,0.000000,0.000000,0.173738,-0.531631,0.828966,0.000000,-0.256962,0.786295,0.561882,0.000000,-1640674.971234,5020404.036399,3563534.365409,1],    "boundingVolume": {    "region": [1.886608,0.596609,1.886706,0.596708,0.000000,14.464368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1328325.b3dm"}}}