{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944015,-0.329902,0.000000,0.000000,0.184414,-0.527701,0.829170,0.000000,-0.272969,0.781100,0.561578,0.000000,-1742873.252901,4987232.484474,3561607.184472,1],    "boundingVolume": {    "region": [1.906948,0.596235,1.907044,0.596350,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268544.b3dm"}}}