{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950202,-0.311634,0.000000,0.000000,0.173916,-0.530286,0.829789,0.000000,-0.258048,0.786812,0.560658,0.000000,-1647599.113315,5023684.848439,3555759.967704,1],    "boundingVolume": {    "region": [1.887659,0.595122,1.887759,0.595239,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453891.b3dm"}}}