{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949973,-0.312331,0.000000,0.000000,0.174787,-0.531625,0.828749,0.000000,-0.258297,0.785627,0.562203,0.000000,-1649201.454658,5016147.051708,3565578.957923,1],    "boundingVolume": {    "region": [1.888357,0.596948,1.888527,0.597147,0.000000,8.784562]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/27/31_1331960.b3dm"}}}