{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949592,-0.313487,0.000000,0.000000,0.175232,-0.530801,0.829183,0.000000,-0.259391,0.785727,0.561559,0.000000,-1656177.857111,5016775.314950,3561486.613677,1],    "boundingVolume": {    "region": [1.889610,0.596228,1.889709,0.596310,0.000000,12.700957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1444326.b3dm"}}}