{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950115,-0.311901,0.000000,0.000000,0.173896,-0.529724,0.830152,0.000000,-0.258383,0.787087,0.560118,0.000000,-1649734.828108,5025428.705184,3552326.987381,1],    "boundingVolume": {    "region": [1.887908,0.594463,1.888072,0.594594,0.000000,8.766006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1458297.b3dm"}}}