{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950351,-0.311179,0.000000,0.000000,0.173862,-0.530981,0.829356,0.000000,-0.257535,0.786521,0.561302,0.000000,-1644328.528605,5021837.331335,3559853.709371,1],    "boundingVolume": {    "region": [1.887180,0.595900,1.887279,0.596017,0.000000,8.622631]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1342850.b3dm"}}}