{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897924,-0.440150,0.000000,0.000000,0.282512,-0.576336,0.766827,0.000000,-0.336583,0.686642,0.644387,0.000000,-2149760.052676,4385599.484151,4088158.873213,1],    "boundingVolume": {    "region": [2.026499,0.700187,2.026625,0.700255,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883798.b3dm"}}}