{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950331,-0.311242,0.000000,0.000000,0.173894,-0.530958,0.829364,0.000000,-0.257590,0.786511,0.561291,0.000000,-1644677.467937,5021775.069505,3559780.835801,1],    "boundingVolume": {    "region": [1.887246,0.595886,1.887346,0.596003,0.000000,8.820581]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1430025.b3dm"}}}