{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948394,-0.317095,0.000000,0.000000,0.116345,-0.347974,0.930257,0.000000,-0.294712,0.881448,0.369045,0.000000,-1880568.339274,5624560.546108,2339131.797410,1],    "boundingVolume": {    "region": [1.893409,0.377942,1.893513,0.378021,0.000000,33.106846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_17906.b3dm"}}}