{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895725,-0.444609,0.000000,0.000000,0.284169,-0.572496,0.769088,0.000000,-0.341003,0.686996,0.641680,0.000000,-2177968.048621,4387808.245312,4070937.855888,1],    "boundingVolume": {    "region": [2.031473,0.696627,2.031595,0.696745,0.000000,23.584585]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663113.b3dm"}}}