{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895725,-0.444608,0.000000,0.000000,0.284163,-0.572486,0.769098,0.000000,-0.341006,0.687005,0.641668,0.000000,-2177988.976284,4387866.127902,4070864.762979,1],    "boundingVolume": {    "region": [2.031472,0.696612,2.031593,0.696730,0.000000,23.584585]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663140.b3dm"}}}