{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950663,-0.310226,0.000000,0.000000,0.173197,-0.530749,0.829644,0.000000,-0.256836,0.787054,0.560875,0.000000,-1639862.301523,5025234.298848,3557137.484241,1],    "boundingVolume": {    "region": [1.886169,0.595385,1.886284,0.595500,0.000000,8.189523]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1344844.b3dm"}}}