{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951954,-0.306242,0.000000,0.000000,0.114175,-0.354914,0.927901,0.000000,-0.283896,0.882490,0.374987,0.000000,-1811578.025498,5631290.322982,2376828.227682,1],    "boundingVolume": {    "region": [1.881991,0.384345,1.882087,0.384421,0.000000,5.628877]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/3/38_40091.b3dm"}}}