{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949735,-0.313054,0.000000,0.000000,0.174665,-0.529893,0.829883,0.000000,-0.259253,0.786515,0.560519,0.000000,-1655295.052039,5021783.614165,3554877.097003,1],    "boundingVolume": {    "region": [1.889123,0.594880,1.889285,0.595146,0.000000,8.239652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1357716.b3dm"}}}