{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950101,-0.311942,0.000000,0.000000,0.174187,-0.530531,0.829576,0.000000,-0.258236,0.786524,0.560976,0.000000,-1648801.630854,5021852.595599,3557776.588349,1],    "boundingVolume": {    "region": [1.887983,0.595505,1.888083,0.595622,0.000000,8.625549]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1354251.b3dm"}}}