{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950101,-0.311941,0.000000,0.000000,0.174384,-0.531134,0.829148,0.000000,-0.258101,0.786115,0.561611,0.000000,-1647942.019214,5019251.387394,3561816.018835,1],    "boundingVolume": {    "region": [1.887963,0.596227,1.888101,0.596436,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1397116.b3dm"}}}