{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948858,-0.315703,0.000000,0.000000,0.115992,-0.348619,0.930059,0.000000,-0.293355,0.881690,0.369548,0.000000,-1871914.427423,5626110.764632,2342321.409917,1],    "boundingVolume": {    "region": [1.891941,0.378488,1.892046,0.378558,0.000000,49.897686]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/15_11554.b3dm"}}}