{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950331,-0.311240,0.000000,0.000000,0.173947,-0.531124,0.829246,0.000000,-0.257552,0.786399,0.561465,0.000000,-1644435.635057,5021063.962786,3560888.008911,1],    "boundingVolume": {    "region": [1.887218,0.596063,1.887370,0.596248,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431673.b3dm"}}}