{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949328,-0.314287,0.000000,0.000000,0.175406,-0.529829,0.829767,0.000000,-0.260237,0.786067,0.560691,0.000000,-1661577.078540,5018929.528435,3555969.516137,1],    "boundingVolume": {    "region": [1.890420,0.595088,1.890582,0.595353,0.000000,8.376606]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1369137.b3dm"}}}