{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950357,-0.311161,0.000000,0.000000,0.173905,-0.531145,0.829242,0.000000,-0.257484,0.786417,0.561472,0.000000,-1644004.268458,5021174.618044,3560930.868675,1],    "boundingVolume": {    "region": [1.887134,0.596071,1.887286,0.596256,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431745.b3dm"}}}