{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950196,-0.311653,0.000000,0.000000,0.173907,-0.530225,0.829830,0.000000,-0.258076,0.786846,0.560598,0.000000,-1647777.797299,5023900.133288,3555375.570381,1],    "boundingVolume": {    "region": [1.887678,0.595049,1.887778,0.595166,0.000000,8.814601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453244.b3dm"}}}