{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950535,-0.310617,0.000000,0.000000,0.173522,-0.531003,0.829413,0.000000,-0.257087,0.786728,0.561218,0.000000,-1641470.496991,5023154.896224,3559317.371889,1],    "boundingVolume": {    "region": [1.886580,0.595800,1.886696,0.595914,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425523.b3dm"}}}