{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949233,-0.314573,0.000000,0.000000,0.175921,-0.530847,0.829008,0.000000,-0.260233,0.785263,0.561819,0.000000,-1661560.031803,5013813.584516,3563138.899638,1],    "boundingVolume": {    "region": [1.890752,0.596573,1.890853,0.596594,0.000000,10.748309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1418263.b3dm"}}}