{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950562,-0.310535,0.000000,0.000000,0.173665,-0.531597,0.829002,0.000000,-0.256892,0.786357,0.561827,0.000000,-1640223.501169,5020799.182770,3563187.800493,1],    "boundingVolume": {    "region": [1.886503,0.596543,1.886601,0.596642,0.000000,13.616695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1392117.b3dm"}}}