{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949896,-0.312565,0.000000,0.000000,0.174707,-0.530940,0.829205,0.000000,-0.258635,0.786000,0.561527,0.000000,-1651352.872723,5018513.730887,3561279.282759,1],    "boundingVolume": {    "region": [1.888603,0.596127,1.888774,0.596332,0.000000,21.329116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1437936.b3dm"}}}