{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949874,-0.312631,0.000000,0.000000,0.174639,-0.530609,0.829431,0.000000,-0.258761,0.786198,0.561192,0.000000,-1652153.389107,5019770.831992,3559149.991358,1],    "boundingVolume": {    "region": [1.888682,0.595741,1.888835,0.595909,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352813.b3dm"}}}