{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949684,-0.313210,0.000000,0.000000,0.174700,-0.529707,0.829995,0.000000,-0.259418,0.786579,0.560353,0.000000,-1656342.906351,5022191.865299,3553819.252104,1],    "boundingVolume": {    "region": [1.889287,0.594679,1.889449,0.594945,0.000000,8.813936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376441.b3dm"}}}