{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943805,-0.330502,0.000000,0.000000,0.184554,-0.527027,0.829567,0.000000,-0.273597,0.781304,0.560989,0.000000,-1746880.697907,4988523.482755,3557859.172497,1],    "boundingVolume": {    "region": [1.907584,0.595522,1.907679,0.595637,0.000000,7.535653]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/6_1274330.b3dm"}}}