{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949346,-0.314234,0.000000,0.000000,0.175281,-0.529550,0.829972,0.000000,-0.260258,0.786278,0.560387,0.000000,-1661709.414998,5020266.197744,3554033.356554,1],    "boundingVolume": {    "region": [1.890365,0.594720,1.890527,0.594985,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1379092.b3dm"}}}