{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950692,-0.310138,0.000000,0.000000,0.173277,-0.531160,0.829363,0.000000,-0.256676,0.786810,0.561291,0.000000,-1638841.752851,5023681.068508,3559782.935999,1],    "boundingVolume": {    "region": [1.886076,0.595888,1.886192,0.596002,0.000000,8.696815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1426153.b3dm"}}}