{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950561,-0.310539,0.000000,0.000000,0.173651,-0.531546,0.829038,0.000000,-0.256906,0.786390,0.561774,0.000000,-1640313.810358,5021009.659352,3562851.892182,1],    "boundingVolume": {    "region": [1.886507,0.596479,1.886605,0.596578,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390347.b3dm"}}}