{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950330,-0.311245,0.000000,0.000000,0.174204,-0.531901,0.828694,0.000000,-0.257382,0.785870,0.562284,0.000000,-1643359.976185,5017696.428706,3566092.517302,1],    "boundingVolume": {    "region": [1.887250,0.597096,1.887348,0.597195,0.000000,8.791994]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1325852.b3dm"}}}