{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949338,-0.314257,0.000000,0.000000,0.175671,-0.530686,0.829164,0.000000,-0.260021,0.785498,0.561588,0.000000,-1660205.912622,5015313.646225,3561668.594340,1],    "boundingVolume": {    "region": [1.890421,0.596263,1.890519,0.596345,0.000000,8.765953]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1358322.b3dm"}}}