{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898808,-0.438343,0.000000,0.000000,0.283094,-0.580475,0.763483,0.000000,-0.333728,0.684297,0.648354,0.000000,-2131562.820047,4370695.487176,4113400.029829,1],    "boundingVolume": {    "region": [2.024468,0.705361,2.024634,0.705480,0.000000,6.813608]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1827675.b3dm"}}}