{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948749,-0.316031,0.000000,0.000000,0.176361,-0.529447,0.829809,0.000000,-0.261695,0.785627,0.560630,0.000000,-1670885.792926,5016117.629487,3555577.950240,1],    "boundingVolume": {    "region": [1.892292,0.595034,1.892388,0.595258,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178837.b3dm"}}}