{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950702,-0.310106,0.000000,0.000000,0.173458,-0.531775,0.828932,0.000000,-0.256514,0.786405,0.561932,0.000000,-1637815.950771,5021108.333722,3563855.051994,1],    "boundingVolume": {    "region": [1.886018,0.596635,1.886183,0.596804,0.000000,8.576281]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1394896.b3dm"}}}