{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950200,-0.311639,0.000000,0.000000,0.174210,-0.531174,0.829159,0.000000,-0.257854,0.786208,0.561595,0.000000,-1646368.940122,5019843.266128,3561710.084062,1],    "boundingVolume": {    "region": [1.887645,0.596207,1.887783,0.596416,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1433122.b3dm"}}}