{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948810,-0.315848,0.000000,0.000000,0.176357,-0.529779,0.829598,0.000000,-0.261476,0.785476,0.560943,0.000000,-1669488.789147,5015160.093782,3557570.918722,1],    "boundingVolume": {    "region": [1.892098,0.595413,1.892194,0.595636,0.000000,8.793842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181448.b3dm"}}}