{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949111,-0.314942,0.000000,0.000000,0.176141,-0.530822,0.828977,0.000000,-0.260529,0.785132,0.561865,0.000000,-1663446.520603,5012979.546103,3563430.225065,1],    "boundingVolume": {    "region": [1.891141,0.596628,1.891242,0.596650,0.000000,9.525045]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_1421270.b3dm"}}}