{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895762,-0.444534,0.000000,0.000000,0.284124,-0.572527,0.769081,0.000000,-0.340942,0.687018,0.641689,0.000000,-2177578.314902,4387948.838511,4070994.425678,1],    "boundingVolume": {    "region": [2.031389,0.696639,2.031511,0.696757,0.000000,16.814836]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_653646.b3dm"}}}