{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950534,-0.310621,0.000000,0.000000,0.173532,-0.531025,0.829397,0.000000,-0.257086,0.786711,0.561242,0.000000,-1641461.354425,5023049.603161,3559469.157286,1],    "boundingVolume": {    "region": [1.886585,0.595828,1.886700,0.595943,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425710.b3dm"}}}