{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950028,-0.312166,0.000000,0.000000,0.174494,-0.531046,0.829182,0.000000,-0.258297,0.786086,0.561561,0.000000,-1649194.442995,5019066.037587,3561499.645992,1],    "boundingVolume": {    "region": [1.888183,0.596169,1.888354,0.596374,0.000000,17.053839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1439923.b3dm"}}}