{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898921,-0.438112,0.000000,0.000000,0.282930,-0.580518,0.763511,0.000000,-0.333564,0.684408,0.648321,0.000000,-2130514.122316,4371403.688843,4113192.165612,1],    "boundingVolume": {    "region": [2.024211,0.705318,2.024376,0.705437,0.000000,22.408144]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1843733.b3dm"}}}