{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894984,-0.446098,0.000000,0.000000,0.284248,-0.570273,0.770709,0.000000,-0.342872,0.687886,0.639728,0.000000,-2189884.273574,4393452.583126,4058522.212239,1],    "boundingVolume": {    "region": [2.033131,0.694082,2.033264,0.694207,0.000000,50.554441]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_979976.b3dm"}}}