{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950598,-0.310424,0.000000,0.000000,0.173485,-0.531256,0.829258,0.000000,-0.256880,0.786632,0.561447,0.000000,-1640146.143539,5022548.382790,3560773.672441,1],    "boundingVolume": {    "region": [1.886387,0.596084,1.886484,0.596183,0.000000,8.795990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/1_1426932.b3dm"}}}