{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949207,-0.314652,0.000000,0.000000,0.116548,-0.351589,0.928871,0.000000,-0.292001,0.880874,0.372553,0.000000,-1863286.013295,5620949.384561,2361386.125222,1],    "boundingVolume": {    "region": [1.890817,0.381709,1.890956,0.381809,0.000000,19.488317]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68343.b3dm"}}}