{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949296,-0.314382,0.000000,0.000000,0.175558,-0.530109,0.829556,0.000000,-0.260250,0.785839,0.561005,0.000000,-1661659.369192,5017479.738762,3557963.017490,1],    "boundingVolume": {    "region": [1.890534,0.595546,1.890671,0.595653,0.000000,8.814030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1366725.b3dm"}}}