{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950307,-0.311313,0.000000,0.000000,0.173838,-0.530653,0.829571,0.000000,-0.257713,0.786690,0.560983,0.000000,-1645465.484097,5022913.269522,3557823.483683,1],    "boundingVolume": {    "region": [1.887321,0.595514,1.887420,0.595631,0.000000,8.811251]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1456039.b3dm"}}}