{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950876,-0.309572,0.000000,0.000000,0.172979,-0.531319,0.829324,0.000000,-0.256195,0.786925,0.561350,0.000000,-1635772.060085,5024415.625611,3560155.590311,1],    "boundingVolume": {    "region": [1.885466,0.595906,1.885612,0.596126,0.000000,8.738141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339588.b3dm"}}}