{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950218,-0.311585,0.000000,0.000000,0.173882,-0.530274,0.829804,0.000000,-0.258011,0.786840,0.560637,0.000000,-1647366.402606,5023858.469270,3555623.405802,1],    "boundingVolume": {    "region": [1.887607,0.595096,1.887706,0.595213,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453737.b3dm"}}}