{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950297,-0.311346,0.000000,0.000000,0.174232,-0.531794,0.828757,0.000000,-0.257485,0.785902,0.562191,0.000000,-1644015.887203,5017904.673205,3565501.112339,1],    "boundingVolume": {    "region": [1.887356,0.596983,1.887454,0.597082,0.000000,8.622063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1326514.b3dm"}}}