{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950450,-0.310876,0.000000,0.000000,0.173691,-0.531031,0.829360,0.000000,-0.257286,0.786607,0.561297,0.000000,-1642735.672085,5022383.619846,3559818.660132,1],    "boundingVolume": {    "region": [1.886877,0.595927,1.886945,0.595977,0.000000,8.179225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/14.b3dm"}}}