{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949267,-0.314470,0.000000,0.000000,0.175867,-0.530877,0.828999,0.000000,-0.260146,0.785283,0.561832,0.000000,-1661001.660163,5013942.709893,3563217.008979,1],    "boundingVolume": {    "region": [1.890644,0.596587,1.890745,0.596609,0.000000,11.140338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1419124.b3dm"}}}