{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950510,-0.310695,0.000000,0.000000,0.173357,-0.530352,0.829864,0.000000,-0.257294,0.787138,0.560548,0.000000,-1642782.749040,5025762.988792,3555056.424117,1],    "boundingVolume": {    "region": [1.886629,0.594974,1.886812,0.595120,0.000000,8.433863]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1346260.b3dm"}}}