{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948818,-0.315822,0.000000,0.000000,0.176301,-0.529658,0.829687,0.000000,-0.261483,0.785569,0.560810,0.000000,-1669535.288767,5015747.645325,3556726.359583,1],    "boundingVolume": {    "region": [1.892072,0.595253,1.892168,0.595476,0.000000,8.764068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180201.b3dm"}}}