{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950699,-0.310116,0.000000,0.000000,0.173228,-0.531051,0.829444,0.000000,-0.256683,0.786893,0.561172,0.000000,-1638887.882707,5024208.953666,3559021.738946,1],    "boundingVolume": {    "region": [1.886054,0.595743,1.886169,0.595858,0.000000,8.747232]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1343527.b3dm"}}}