{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948406,-0.317059,0.000000,0.000000,0.116309,-0.347910,0.930285,0.000000,-0.294687,0.881486,0.368974,0.000000,-1880414.326332,5624802.488625,2338676.858588,1],    "boundingVolume": {    "region": [1.893371,0.377865,1.893476,0.377944,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17737.b3dm"}}}