{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949688,-0.313196,0.000000,0.000000,0.174741,-0.529858,0.829889,0.000000,-0.259373,0.786482,0.560510,0.000000,-1656057.905259,5021574.269822,3554817.921375,1],    "boundingVolume": {    "region": [1.889272,0.594869,1.889434,0.595134,0.000000,8.782894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1357865.b3dm"}}}