{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949744,-0.313026,0.000000,0.000000,0.174943,-0.530789,0.829251,0.000000,-0.259031,0.785919,0.561458,0.000000,-1653880.459256,5017993.775675,3560841.949976,1],    "boundingVolume": {    "region": [1.889098,0.596062,1.889251,0.596231,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1434824.b3dm"}}}