{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950673,-0.310195,0.000000,0.000000,0.173241,-0.530943,0.829510,0.000000,-0.256768,0.786935,0.561074,0.000000,-1639433.034276,5024473.922389,3558400.730424,1],    "boundingVolume": {    "region": [1.886136,0.595625,1.886252,0.595740,0.000000,8.820568]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1424190.b3dm"}}}