{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951320,-0.308206,0.000000,0.000000,0.113872,-0.351483,0.929243,0.000000,-0.286135,0.883192,0.371616,0.000000,-1825849.316690,5635727.922742,2355437.399138,1],    "boundingVolume": {    "region": [1.884025,0.380702,1.884181,0.380796,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42843.b3dm"}}}