{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897186,-0.441653,0.000000,0.000000,0.285414,-0.579797,0.763135,0.000000,-0.336093,0.682748,0.648765,0.000000,-2146673.781635,4360808.707639,4116016.626718,1],    "boundingVolume": {    "region": [2.028185,0.705926,2.028288,0.705996,0.000000,7.964360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/23_1837281.b3dm"}}}