{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950012,-0.312214,0.000000,0.000000,0.174642,-0.531404,0.828921,0.000000,-0.258255,0.785824,0.561948,0.000000,-1648930.692475,5017396.921608,3563956.181493,1],    "boundingVolume": {    "region": [1.888250,0.596634,1.888388,0.596843,0.000000,8.764911]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1407772.b3dm"}}}