{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949355,-0.314207,0.000000,0.000000,0.175394,-0.529942,0.829697,0.000000,-0.260149,0.786023,0.560795,0.000000,-1661015.413146,5018644.950368,3556629.056169,1],    "boundingVolume": {    "region": [1.890336,0.595213,1.890498,0.595479,0.000000,8.729146]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1368267.b3dm"}}}