{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948847,-0.315736,0.000000,0.000000,0.176515,-0.530462,0.829127,0.000000,-0.261234,0.785057,0.561642,0.000000,-1667947.272235,5012499.443102,3562011.034182,1],    "boundingVolume": {    "region": [1.891960,0.596316,1.892097,0.596422,0.000000,8.745695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1056228.b3dm"}}}