{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950534,-0.310619,0.000000,0.000000,0.173531,-0.531028,0.829395,0.000000,-0.257084,0.786710,0.561245,0.000000,-1641447.577148,5023042.237726,3559485.792489,1],    "boundingVolume": {    "region": [1.886583,0.595832,1.886698,0.595946,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425726.b3dm"}}}