{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949474,-0.313846,0.000000,0.000000,0.175461,-0.530820,0.829122,0.000000,-0.259669,0.785571,0.561649,0.000000,-1657953.191594,5015780.893552,3562057.326522,1],    "boundingVolume": {    "region": [1.889988,0.596337,1.890087,0.596419,0.000000,14.639353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409763.b3dm"}}}