{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949856,-0.312687,0.000000,0.000000,0.174773,-0.530912,0.829209,0.000000,-0.258737,0.785970,0.561521,0.000000,-1652004.962621,5018326.014788,3561241.627227,1],    "boundingVolume": {    "region": [1.888732,0.596120,1.888903,0.596325,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1348389.b3dm"}}}