{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950364,-0.311140,0.000000,0.000000,0.174029,-0.531566,0.828946,0.000000,-0.257374,0.786139,0.561911,0.000000,-1643306.609325,5019411.752877,3563718.343107,1],    "boundingVolume": {    "region": [1.887140,0.596644,1.887238,0.596743,0.000000,8.468062]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1328020.b3dm"}}}