{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949077,-0.315044,0.000000,0.000000,0.116118,-0.349807,0.929598,0.000000,-0.292596,0.881450,0.370720,0.000000,-1867075.354013,5624599.075561,2349752.206139,1],    "boundingVolume": {    "region": [1.891246,0.379726,1.891354,0.379841,0.000000,77.268840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76279.b3dm"}}}