{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949087,-0.315015,0.000000,0.000000,0.115965,-0.349382,0.929776,0.000000,-0.292625,0.881631,0.370267,0.000000,-1867261.312985,5625745.146949,2346878.408301,1],    "boundingVolume": {    "region": [1.891214,0.379238,1.891323,0.379354,0.000000,71.183006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/15_6758.b3dm"}}}