{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943805,-0.330502,0.000000,0.000000,0.184461,-0.526760,0.829758,0.000000,-0.273661,0.781485,0.560705,0.000000,-1747286.385513,4989673.037470,3556059.637508,1],    "boundingVolume": {    "region": [1.907584,0.595180,1.907680,0.595295,0.000000,8.045458]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/2_1276254.b3dm"}}}