{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896114,-0.443825,0.000000,0.000000,0.288247,-0.581991,0.760395,0.000000,-0.336524,0.679465,0.651981,0.000000,-2149453.546124,4339899.240354,4136476.746413,1],    "boundingVolume": {    "region": [2.030569,0.710142,2.030748,0.710247,0.000000,21.689522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_1785778.b3dm"}}}