{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950590,-0.310450,0.000000,0.000000,0.173585,-0.531512,0.829074,0.000000,-0.256843,0.786448,0.561722,0.000000,-1639915.242643,5021378.877320,3562517.261456,1],    "boundingVolume": {    "region": [1.886414,0.596416,1.886511,0.596515,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1330868.b3dm"}}}