{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950197,-0.311651,0.000000,0.000000,0.174280,-0.531363,0.829023,0.000000,-0.257821,0.786075,0.561796,0.000000,-1646160.065288,5018996.911616,3562990.511478,1],    "boundingVolume": {    "region": [1.887651,0.596463,1.887802,0.596648,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398656.b3dm"}}}