{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899350,-0.437230,0.000000,0.000000,0.282883,-0.581870,0.762499,0.000000,-0.332447,0.683820,0.649514,0.000000,-2123395.586226,4367669.690340,4120781.712543,1],    "boundingVolume": {    "region": [2.023225,0.706891,2.023400,0.707000,0.000000,14.481116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/13_1800594.b3dm"}}}