{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858182,-0.513345,0.000000,0.000000,0.262651,-0.439085,0.859197,0.000000,-0.440286,0.736046,0.514184,0.000000,-2810690.818207,4698759.487361,3260469.702154,1],    "boundingVolume": {    "region": [2.109792,0.539994,2.109957,0.540119,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_129703.b3dm"}}}