{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895732,-0.444595,0.000000,0.000000,0.284148,-0.572476,0.769110,0.000000,-0.341002,0.687021,0.641653,0.000000,-2177961.699063,4387968.116550,4070770.061982,1],    "boundingVolume": {    "region": [2.031458,0.696593,2.031579,0.696711,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663741.b3dm"}}}