{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948809,-0.315849,0.000000,0.000000,0.176325,-0.529678,0.829669,0.000000,-0.261500,0.785544,0.560837,0.000000,-1669641.423188,5015591.733325,3556895.261883,1],    "boundingVolume": {    "region": [1.892100,0.595285,1.892196,0.595508,0.000000,8.738908]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072675.b3dm"}}}