{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949420,-0.314010,0.000000,0.000000,0.116350,-0.351788,0.928820,0.000000,-0.291389,0.881023,0.372681,0.000000,-1859382.660530,5621898.136652,2362198.716842,1],    "boundingVolume": {    "region": [1.890141,0.381847,1.890280,0.381947,0.000000,6.432209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/20_64378.b3dm"}}}