{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949234,-0.314570,0.000000,0.000000,0.115172,-0.347539,0.930565,0.000000,-0.292463,0.882525,0.368259,0.000000,-1866216.369297,5631422.544668,2334144.350681,1],    "boundingVolume": {    "region": [1.890738,0.377088,1.890862,0.377184,0.000000,52.466495]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_22866.b3dm"}}}