{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949394,-0.314088,0.000000,0.000000,0.175593,-0.530766,0.829129,0.000000,-0.259870,0.785511,0.561640,0.000000,-1659241.809247,5015397.474191,3561997.588094,1],    "boundingVolume": {    "region": [1.890242,0.596325,1.890341,0.596407,0.000000,7.093257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1338173.b3dm"}}}