{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950848,-0.309658,0.000000,0.000000,0.172942,-0.531042,0.829509,0.000000,-0.256324,0.787078,0.561075,0.000000,-1636597.795568,5025392.520635,3558408.621773,1],    "boundingVolume": {    "region": [1.885557,0.595574,1.885703,0.595794,0.000000,8.818346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/11_1421693.b3dm"}}}