{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857997,-0.513655,0.000000,0.000000,0.263240,-0.439710,0.858697,0.000000,-0.440293,0.735454,0.515024,0.000000,-2810745.087196,4694995.019686,3265805.475919,1],    "boundingVolume": {    "region": [2.110154,0.540973,2.110318,0.541098,0.000000,13.011500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_466692.b3dm"}}}