{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949133,-0.314876,0.000000,0.000000,0.116121,-0.350025,0.929515,0.000000,-0.292413,0.881423,0.370929,0.000000,-1865909.343878,5624427.942126,2351078.728375,1],    "boundingVolume": {    "region": [1.891068,0.379951,1.891176,0.380066,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1774.b3dm"}}}