{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950681,-0.310171,0.000000,0.000000,0.173310,-0.531197,0.829333,0.000000,-0.256694,0.786771,0.561337,0.000000,-1638959.034511,5023437.161529,3560071.186966,1],    "boundingVolume": {    "region": [1.886112,0.595943,1.886227,0.596057,0.000000,8.808873]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1426595.b3dm"}}}