{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950309,-0.311309,0.000000,0.000000,0.174050,-0.531308,0.829107,0.000000,-0.257565,0.786247,0.561672,0.000000,-1644521.331995,5020098.017079,3562201.248155,1],    "boundingVolume": {    "region": [1.887291,0.596312,1.887443,0.596498,0.000000,8.809496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397726.b3dm"}}}