{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950327,-0.311254,0.000000,0.000000,0.173900,-0.530957,0.829363,0.000000,-0.257599,0.786508,0.561291,0.000000,-1644739.372346,5021753.416097,3559782.767734,1],    "boundingVolume": {    "region": [1.887259,0.595887,1.887358,0.596004,0.000000,8.820581]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1430028.b3dm"}}}