{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950318,-0.311282,0.000000,0.000000,0.173828,-0.530682,0.829554,0.000000,-0.257682,0.786683,0.561008,0.000000,-1645266.661192,5022866.002868,3557981.096871,1],    "boundingVolume": {    "region": [1.887288,0.595544,1.887388,0.595661,0.000000,8.752765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1428014.b3dm"}}}