{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949112,-0.314940,0.000000,0.000000,0.175958,-0.530271,0.829368,0.000000,-0.260651,0.785507,0.561285,0.000000,-1664225.767077,5015359.954379,3559739.809859,1],    "boundingVolume": {    "region": [1.891121,0.595884,1.891258,0.595990,0.000000,12.889832]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1361585.b3dm"}}}