{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949251,-0.314521,0.000000,0.000000,0.175888,-0.530844,0.829016,0.000000,-0.260193,0.785285,0.561807,0.000000,-1661304.914940,5013955.878621,3563058.169847,1],    "boundingVolume": {    "region": [1.890698,0.596557,1.890799,0.596579,0.000000,7.670365]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/7_1337675.b3dm"}}}