{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949889,-0.312588,0.000000,0.000000,0.174472,-0.530184,0.829738,0.000000,-0.258822,0.786503,0.560735,0.000000,-1652539.669274,5021712.775997,3556249.599047,1],    "boundingVolume": {    "region": [1.888631,0.595208,1.888795,0.595339,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356271.b3dm"}}}