{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949302,-0.314364,0.000000,0.000000,0.175433,-0.529763,0.829804,0.000000,-0.260313,0.786081,0.560637,0.000000,-1662062.593084,5019014.513450,3555624.974998,1],    "boundingVolume": {    "region": [1.890502,0.595022,1.890664,0.595288,0.000000,12.970828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1457830.b3dm"}}}