{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950439,-0.310912,0.000000,0.000000,0.173805,-0.531311,0.829157,0.000000,-0.257252,0.786403,0.561598,0.000000,-1642522.994734,5021086.555187,3561733.108769,1],    "boundingVolume": {    "region": [1.886900,0.596267,1.886998,0.596365,0.000000,8.819004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/3_1427891.b3dm"}}}