{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949286,-0.314415,0.000000,0.000000,0.175777,-0.530710,0.829126,0.000000,-0.260140,0.785419,0.561644,0.000000,-1660964.627245,5014806.924214,3562025.923922,1],    "boundingVolume": {    "region": [1.890587,0.596331,1.890686,0.596413,0.000000,8.719073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417001.b3dm"}}}