{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949306,-0.314353,0.000000,0.000000,0.175748,-0.530737,0.829115,0.000000,-0.260085,0.785425,0.561661,0.000000,-1660614.026639,5014847.640725,3562131.355736,1],    "boundingVolume": {    "region": [1.890522,0.596351,1.890621,0.596433,0.000000,8.724624]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417392.b3dm"}}}