{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950023,-0.312179,0.000000,0.000000,0.174240,-0.530246,0.829747,0.000000,-0.258485,0.786623,0.560722,0.000000,-1650392.975794,5022479.902263,3556163.740078,1],    "boundingVolume": {    "region": [1.888200,0.595192,1.888364,0.595323,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456714.b3dm"}}}