{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949749,-0.313013,0.000000,0.000000,0.174766,-0.530278,0.829615,0.000000,-0.259135,0.786270,0.560917,0.000000,-1654539.221498,5020230.140616,3557405.188037,1],    "boundingVolume": {    "region": [1.889083,0.595409,1.889237,0.595577,0.000000,11.676811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/0_1355044.b3dm"}}}