{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897960,-0.440077,0.000000,0.000000,0.284681,-0.580881,0.762583,0.000000,-0.334650,0.682840,0.649415,0.000000,-2137462.318580,4361406.927423,4120146.718192,1],    "boundingVolume": {    "region": [2.026415,0.706703,2.026547,0.706926,0.000000,15.315936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823832.b3dm"}}}