{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949693,-0.313182,0.000000,0.000000,0.174737,-0.529871,0.829881,0.000000,-0.259359,0.786479,0.560521,0.000000,-1655968.457232,5021553.190305,3554888.888864,1],    "boundingVolume": {    "region": [1.889257,0.594882,1.889419,0.595148,0.000000,8.774948]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1357706.b3dm"}}}