{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896580,-0.442882,0.000000,0.000000,0.282927,-0.572764,0.769346,0.000000,-0.339793,0.687885,0.641370,0.000000,-2170234.978689,4393475.226829,4068968.499525,1],    "boundingVolume": {    "region": [2.029515,0.696227,2.029698,0.696339,0.000000,45.580439]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_496959.b3dm"}}}