{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949120,-0.314916,0.000000,0.000000,0.175951,-0.530297,0.829353,0.000000,-0.260627,0.785499,0.561307,0.000000,-1664067.659752,5015309.221449,3559884.225261,1],    "boundingVolume": {    "region": [1.891095,0.595911,1.891233,0.596018,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1361296.b3dm"}}}