{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950580,-0.310479,0.000000,0.000000,0.173617,-0.531557,0.829038,0.000000,-0.256856,0.786406,0.561774,0.000000,-1639996.541875,5021112.748891,3562852.659052,1],    "boundingVolume": {    "region": [1.886444,0.596480,1.886542,0.596578,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390335.b3dm"}}}