{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950804,-0.309793,0.000000,0.000000,0.173093,-0.531250,0.829345,0.000000,-0.256385,0.786885,0.561319,0.000000,-1636984.651969,5024160.196416,3559960.026873,1],    "boundingVolume": {    "region": [1.885699,0.595869,1.885845,0.596089,0.000000,8.710537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1339726.b3dm"}}}