{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950218,-0.311587,0.000000,0.000000,0.174255,-0.531410,0.828998,0.000000,-0.257760,0.786068,0.561833,0.000000,-1645769.367051,5018956.269068,3563226.650498,1],    "boundingVolume": {    "region": [1.887583,0.596507,1.887735,0.596693,0.000000,8.804214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1399190.b3dm"}}}