{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857973,-0.513695,0.000000,0.000000,0.263243,-0.439669,0.858716,0.000000,-0.440337,0.735451,0.514991,0.000000,-2811024.309512,4694975.463619,3265594.676777,1],    "boundingVolume": {    "region": [2.110200,0.540935,2.110364,0.541060,0.000000,13.011500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_463160.b3dm"}}}