{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896157,-0.443736,0.000000,0.000000,0.288222,-0.582084,0.760333,0.000000,-0.336429,0.679442,0.652054,0.000000,-2148849.938796,4339755.698381,4136937.822462,1],    "boundingVolume": {    "region": [2.030470,0.710238,2.030650,0.710342,0.000000,9.687209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784829.b3dm"}}}