{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852939,-0.522011,0.000000,0.000000,0.269331,-0.440074,0.856619,0.000000,-0.446361,0.729332,0.518495,0.000000,-2849518.738963,4655969.526330,3287851.664689,1],    "boundingVolume": {    "region": [2.119957,0.545048,2.120049,0.545132,0.000000,211.379700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_5443.b3dm"}}}