{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896338,-0.443371,0.000000,0.000000,0.283798,-0.573737,0.768300,0.000000,-0.339702,0.686756,0.642626,0.000000,-2169669.162220,4386293.949095,4076956.178476,1],    "boundingVolume": {    "region": [2.030086,0.697861,2.030219,0.697980,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_537488.b3dm"}}}