{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950514,-0.310681,0.000000,0.000000,0.173878,-0.531973,0.828717,0.000000,-0.256923,0.786044,0.562250,0.000000,-1640426.545728,5018809.460211,3565878.286105,1],    "boundingVolume": {    "region": [1.886657,0.597055,1.886755,0.597154,0.000000,8.424773]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1383949.b3dm"}}}