{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949650,-0.313313,0.000000,0.000000,0.174846,-0.529958,0.829803,0.000000,-0.259443,0.786368,0.560637,0.000000,-1656505.159995,5020850.199511,3555626.745945,1],    "boundingVolume": {    "region": [1.889395,0.595022,1.889557,0.595288,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357066.b3dm"}}}