{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948770,-0.315967,0.000000,0.000000,0.116899,-0.351019,0.929043,0.000000,-0.293275,0.880633,0.372121,0.000000,-1871417.735797,5619406.113658,2358645.575345,1],    "boundingVolume": {    "region": [1.892188,0.381188,1.892356,0.381399,0.000000,13.414153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_68702.b3dm"}}}