{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950746,-0.309971,0.000000,0.000000,0.173092,-0.530908,0.829563,0.000000,-0.256600,0.787046,0.560994,0.000000,-1638356.816377,5025185.966459,3557894.301704,1],    "boundingVolume": {    "region": [1.885901,0.595529,1.886017,0.595643,0.000000,8.812964]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1449007.b3dm"}}}