{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899091,-0.437761,0.000000,0.000000,0.282702,-0.580625,0.763514,0.000000,-0.333298,0.684541,0.648317,0.000000,-2128819.497619,4372253.383608,4113166.631586,1],    "boundingVolume": {    "region": [2.023821,0.705313,2.023986,0.705432,0.000000,45.063406]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1843675.b3dm"}}}