{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950421,-0.310967,0.000000,0.000000,0.173821,-0.531254,0.829190,0.000000,-0.257308,0.786419,0.561550,0.000000,-1642879.317250,5021190.585305,3561424.182331,1],    "boundingVolume": {    "region": [1.886958,0.596208,1.887056,0.596307,0.000000,8.794596]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/2_1427507.b3dm"}}}