{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949984,-0.312298,0.000000,0.000000,0.174484,-0.530766,0.829363,0.000000,-0.258463,0.786223,0.561293,0.000000,-1650255.813601,5019936.799998,3559791.871076,1],    "boundingVolume": {    "region": [1.888322,0.595844,1.888493,0.596050,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434196.b3dm"}}}