{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895726,-0.444606,0.000000,0.000000,0.284172,-0.572508,0.769078,0.000000,-0.340996,0.686988,0.641692,0.000000,-2177922.679165,4387756.813577,4071017.028827,1],    "boundingVolume": {    "region": [2.031470,0.696644,2.031591,0.696762,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663862.b3dm"}}}