{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857977,-0.513688,0.000000,0.000000,0.262825,-0.438978,0.859198,0.000000,-0.440581,0.735871,0.514182,0.000000,-2812576.119120,4697643.136415,3260452.661857,1],    "boundingVolume": {    "region": [2.110192,0.539991,2.110357,0.540116,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_348803.b3dm"}}}