{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896477,-0.443090,0.000000,0.000000,0.282997,-0.572572,0.769463,0.000000,-0.340005,0.687911,0.641229,0.000000,-2171588.110250,4393644.184103,4068070.084598,1],    "boundingVolume": {    "region": [2.029747,0.696043,2.029930,0.696155,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_513755.b3dm"}}}