{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949762,-0.312972,0.000000,0.000000,0.174826,-0.530538,0.829436,0.000000,-0.259044,0.786111,0.561183,0.000000,-1653962.625451,5019214.996432,3559093.961806,1],    "boundingVolume": {    "region": [1.889040,0.595730,1.889193,0.595898,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1352963.b3dm"}}}