{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950177,-0.311711,0.000000,0.000000,0.174065,-0.530596,0.829560,0.000000,-0.258040,0.786572,0.560999,0.000000,-1647549.822301,5022155.568126,3557927.815835,1],    "boundingVolume": {    "region": [1.887740,0.595534,1.887840,0.595651,0.000000,8.820354]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1456296.b3dm"}}}