{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944301,-0.329082,0.000000,0.000000,0.183974,-0.527914,0.829132,0.000000,-0.272278,0.781301,0.561635,0.000000,-1738459.865751,4988513.973951,3561967.029230,1],    "boundingVolume": {    "region": [1.906070,0.596323,1.906185,0.596398,0.000000,8.810633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_191692.b3dm"}}}