{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895762,-0.444534,0.000000,0.000000,0.284122,-0.572523,0.769085,0.000000,-0.340944,0.687022,0.641684,0.000000,-2177591.034825,4387971.323927,4070963.593317,1],    "boundingVolume": {    "region": [2.031390,0.696633,2.031511,0.696751,0.000000,19.799154]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_653793.b3dm"}}}