{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950126,-0.311865,0.000000,0.000000,0.174021,-0.530171,0.829841,0.000000,-0.258255,0.786799,0.560582,0.000000,-1648921.966236,5023598.530029,3555271.971038,1],    "boundingVolume": {    "region": [1.887870,0.595022,1.888034,0.595153,0.000000,8.769915]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1452972.b3dm"}}}