{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950187,-0.311680,0.000000,0.000000,0.174308,-0.531396,0.828996,0.000000,-0.257836,0.786041,0.561836,0.000000,-1646256.737743,5018781.443112,3563247.616417,1],    "boundingVolume": {    "region": [1.887681,0.596511,1.887832,0.596697,0.000000,8.803817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1399231.b3dm"}}}