{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950251,-0.311484,0.000000,0.000000,0.173920,-0.530583,0.829598,0.000000,-0.257864,0.786670,0.560943,0.000000,-1646424.079111,5022782.629199,3557566.171453,1],    "boundingVolume": {    "region": [1.887501,0.595465,1.887601,0.595582,0.000000,8.661646]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_1455449.b3dm"}}}