{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950428,-0.310944,0.000000,0.000000,0.173687,-0.530891,0.829450,0.000000,-0.257370,0.786675,0.561162,0.000000,-1643272.658830,5022818.978285,3558962.232898,1],    "boundingVolume": {    "region": [1.886932,0.595731,1.887032,0.595848,0.000000,8.793385]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1424817.b3dm"}}}