{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950332,-0.311239,0.000000,0.000000,0.174076,-0.531521,0.828965,0.000000,-0.257462,0.786130,0.561883,0.000000,-1643867.793387,5019354.882773,3563540.816681,1],    "boundingVolume": {    "region": [1.887217,0.596567,1.887369,0.596752,0.000000,8.778951]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1399695.b3dm"}}}