{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950484,-0.310775,0.000000,0.000000,0.173800,-0.531554,0.829002,0.000000,-0.257090,0.786291,0.561828,0.000000,-1641488.213478,5020380.608102,3563195.126849,1],    "boundingVolume": {    "region": [1.886756,0.596545,1.886853,0.596643,0.000000,13.374002]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1392103.b3dm"}}}