{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950166,-0.311745,0.000000,0.000000,0.174082,-0.530583,0.829564,0.000000,-0.258069,0.786567,0.560993,0.000000,-1647733.840113,5022125.325604,3557885.571810,1],    "boundingVolume": {    "region": [1.887775,0.595526,1.887875,0.595643,0.000000,8.820354]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1456170.b3dm"}}}