{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857989,-0.513669,0.000000,0.000000,0.262825,-0.439000,0.859187,0.000000,-0.440558,0.735871,0.514200,0.000000,-2812432.281048,4697646.227659,3260571.481428,1],    "boundingVolume": {    "region": [2.110170,0.540012,2.110334,0.540138,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_351444.b3dm"}}}