{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944122,-0.329597,0.000000,0.000000,0.184153,-0.527501,0.829355,0.000000,-0.272778,0.781364,0.561304,0.000000,-1741652.087632,4988913.413316,3559861.724839,1],    "boundingVolume": {    "region": [1.906625,0.595903,1.906721,0.596018,0.000000,8.668299]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1266944.b3dm"}}}