{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949159,-0.314797,0.000000,0.000000,0.116052,-0.349914,0.929566,0.000000,-0.292355,0.881496,0.370801,0.000000,-1865541.963505,5624891.401470,2350266.829871,1],    "boundingVolume": {    "region": [1.890984,0.379813,1.891093,0.379929,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_77373.b3dm"}}}