{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950625,-0.310341,0.000000,0.000000,0.173631,-0.531860,0.828841,0.000000,-0.256681,0.786255,0.562066,0.000000,-1638880.642433,5020151.870620,3564707.185169,1],    "boundingVolume": {    "region": [1.886266,0.596797,1.886431,0.596966,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396399.b3dm"}}}