{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949285,-0.314418,0.000000,0.000000,0.175770,-0.530680,0.829146,0.000000,-0.260149,0.785438,0.561613,0.000000,-1661022.177741,5014927.557564,3561830.563032,1],    "boundingVolume": {    "region": [1.890590,0.596294,1.890689,0.596375,0.000000,8.812643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1463109.b3dm"}}}