{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950327,-0.311253,0.000000,0.000000,0.174206,-0.531891,0.828701,0.000000,-0.257391,0.785874,0.562274,0.000000,-1643412.481879,5017723.298539,3566030.927804,1],    "boundingVolume": {    "region": [1.887258,0.597084,1.887356,0.597183,0.000000,8.791994]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1325950.b3dm"}}}