{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949074,-0.315052,0.000000,0.000000,0.175723,-0.529353,0.830004,0.000000,-0.260946,0.786084,0.560338,0.000000,-1666103.365074,5019028.404973,3553726.511884,1],    "boundingVolume": {    "region": [1.891261,0.594699,1.891355,0.594890,0.000000,8.819431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/27_1382341.b3dm"}}}