{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950878,-0.309565,0.000000,0.000000,0.173196,-0.532000,0.828842,0.000000,-0.256039,0.786465,0.562064,0.000000,-1634783.059556,5021495.218917,3564696.691029,1],    "boundingVolume": {    "region": [1.885449,0.596795,1.885615,0.596964,0.000000,8.581578]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1323773.b3dm"}}}