{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950493,-0.310746,0.000000,0.000000,0.173349,-0.530231,0.829943,0.000000,-0.257361,0.787200,0.560430,0.000000,-1643209.485753,5026154.584893,3554310.533936,1],    "boundingVolume": {    "region": [1.886683,0.594832,1.886866,0.594978,0.000000,8.820825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1449162.b3dm"}}}