{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895740,-0.444579,0.000000,0.000000,0.284137,-0.572480,0.769111,0.000000,-0.340990,0.687028,0.641652,0.000000,-2177886.903982,4388013.033335,4070761.717733,1],    "boundingVolume": {    "region": [2.031440,0.696591,2.031561,0.696709,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663555.b3dm"}}}