{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950358,-0.311159,0.000000,0.000000,0.173851,-0.530983,0.829357,0.000000,-0.257519,0.786527,0.561301,0.000000,-1644226.309617,5021875.969724,3559846.465726,1],    "boundingVolume": {    "region": [1.887159,0.595899,1.887259,0.596016,0.000000,8.808885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1430150.b3dm"}}}