{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310462,0.000000,0.000000,0.173588,-0.531500,0.829081,0.000000,-0.256856,0.786451,0.561711,0.000000,-1639994.714603,5021400.655227,3562450.431328,1],    "boundingVolume": {    "region": [1.886427,0.596403,1.886525,0.596502,0.000000,10.521266]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1330939.b3dm"}}}