{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895728,-0.444602,0.000000,0.000000,0.284154,-0.572478,0.769107,0.000000,-0.341006,0.687016,0.641657,0.000000,-2177985.536572,4387933.607836,4070794.342070,1],    "boundingVolume": {    "region": [2.031465,0.696598,2.031587,0.696716,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663639.b3dm"}}}