{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950186,-0.311685,0.000000,0.000000,0.174050,-0.530601,0.829560,0.000000,-0.258017,0.786579,0.561000,0.000000,-1647407.084322,5022200.427617,3557930.570065,1],    "boundingVolume": {    "region": [1.887712,0.595535,1.887812,0.595652,0.000000,8.820354]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1456303.b3dm"}}}