{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943979,-0.330006,0.000000,0.000000,0.184373,-0.527396,0.829374,0.000000,-0.273123,0.781264,0.561276,0.000000,-1743853.398572,4988269.304496,3559687.844902,1],    "boundingVolume": {    "region": [1.907059,0.595870,1.907154,0.595985,0.000000,8.639827]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1298115.b3dm"}}}