{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949317,-0.314322,0.000000,0.000000,0.175594,-0.530329,0.829408,0.000000,-0.260152,0.785714,0.561225,0.000000,-1661039.587310,5016686.429588,3559361.361801,1],    "boundingVolume": {    "region": [1.890470,0.595812,1.890607,0.595918,0.000000,8.597043]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1362107.b3dm"}}}