{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949350,-0.314221,0.000000,0.000000,0.175211,-0.529362,0.830106,0.000000,-0.260290,0.786409,0.560187,0.000000,-1661914.459364,5021104.190471,3552762.010949,1],    "boundingVolume": {    "region": [1.890352,0.594478,1.890514,0.594744,0.000000,8.811246]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/11_1380757.b3dm"}}}