{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950038,-0.312135,0.000000,0.000000,0.174477,-0.531051,0.829182,0.000000,-0.258271,0.786095,0.561561,0.000000,-1649030.290129,5019121.195356,3561497.934799,1],    "boundingVolume": {    "region": [1.888150,0.596169,1.888321,0.596374,0.000000,17.053839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1439862.b3dm"}}}