{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895918,-0.444220,0.000000,0.000000,0.283878,-0.572535,0.769166,0.000000,-0.340740,0.687215,0.641586,0.000000,-2176284.298109,4389200.466696,4070341.470254,1],    "boundingVolume": {    "region": [2.031046,0.696511,2.031154,0.696618,0.000000,39.250883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_619018.b3dm"}}}